Team Car Engine Drivers Class Rounds GT3 ST Racing[4] [5] BMW M4 GT3 [4] BMW S58B30T0 3.0 L Turbo V8 1 Bryson Morris[6] PA 1–2, 6 Samantha Tan [6] 1–2, 6 Harry Gottsacker [6] 1 Anthony Lazzaro[6] 1 Tyler Maxson[6] 1 Nick Wittmer[6] 2, 6 Steven Aghakhani 6 28 Chandler Hull[6] P 1 Jon Miller[6] 1 Louis-Philippe Montour[6] 1 Nick Wittmer[6] 1 JR Motorsport BMW M6 GT3 BMW 4.4 L Turbo V8 2 Ruud Olij Am 2 Ted van Vliet 2, 4 Bas Schouten 4 Dirk Schouten 4 Car Collection Motorsport Audi R8 LMS Evo Audi R8 LMS Evo II Audi 5.2 L V10 3 Artur Goroyan Am 1 Patrick Kolb 1 Martin Lechmann 1 Roman Mavlanov 1 Jörg Viebahn 1 34 Johannes Dr. Kirchhoff Am 1–4, 6 Elmar Grimm 1–2, 4, 6 Max Edelhoff 1, 3–4, 6 Gustav Edelhoff 1 Ingo Vogler 1, 6 Wiggo Dalmo 2 Tim Müller 3 Abu Dhabi Racing by HRT Bilstein[N 1] AL Manar Racing by HRT[N 1]
Mercedes-AMG GT3 Evo Mercedes-AMG M159 6.2 L V8 4 Khaled Al Qubaisi P 1 Hubert Haupt 1 Raffaele Marciello 1 Manuel Metzger 1 777 Al Faisal Al Zubair P 1 Indy Dontje 1 Martin Konrad 1 Luca Stolz 1 BoDa by Bas Koeten Racing [7] Bentley Continental GT3 [7] Bentley 4.0 L Turbo V8 6 Bob Herber[7] Am 2–3 Marcel van Berlo[7] 2 Mark van der Aa 3 Audi R8 LMS Evo [8] Audi 5.2 L V10 7 Mohammed Bin Saud Al Saud[8] P 1 Axcil Jefferies [9] 1 Christopher Mies [8] 1 Thomas Neubauer [8] 1 Dries Vanthoor [8] 1 31 Benjamin Goethe [8] P 1 Arnold Robin[8] 1 Maxime Robin[8] 1 Jean-Baptiste Simmenauer [8] 1 Frédéric Vervisch [8] 1 Kessel Racing Ferrari 488 GT3 Evo 2020 Ferrari 3.9 L Twin-Turbo V8 8 Alessandro Cutrera P 2 Leonardo-Maria del Vecchio 2 Marco Frezza 2 David Fumanelli 2 Marco Talarico 2 Leipert Motorsport Lamborghini Huracán GT3 Evo Lamborghini 5.2 L V10 10 Jean-Francois Brunot P 1 Betty Chen 1 Joel Eriksson 1 Brendon Leitch 1 Kerong Li 1 Hofor-Racing Mercedes-AMG GT3 Mercedes-AMG M159 6.2 L V8 11 Michael Kroll Am 6 Chantal Prinz 6 Alexander Prinz 6 Max Partl 6 Thomas Mühlenz 6 CapitalRT-Yadro Mercedes-AMG GT3 Evo Mercedes-AMG M159 6.2 L V8 13 Dmitry Gvazava Am 1 Denis Remenyako 1 Victor Shaytar 1 Sergey Stolyarov 1 Poulsen Motorsport BMW M4 GT3 BMW S58B30T0 3.0 L Turbo V8 14 Roland Poulsen PA 6 Kristian Poulsen 6 Christoffer Nygaard 6 Alfred Nilsson 6 Phoenix Racing Audi R8 LMS Evo II Audi 5.2 L V10 18 Michael Doppelmayr PA 2–6 Elia Erhart 2–6 Pierre Kaffer 2–6 Swen Herberger 2, 4–6 Patryk Krupinski 3 MP Motorsport Mercedes-AMG GT3 Evo Mercedes-AMG M159 6.2 L V8 19 Bert de Heus PA 1 Daniël de Jong 1 Henk de Jong 1 Jaap van Lagen 1 Mercedes-AMG GT3 Evo [10] [11] Mercedes-AMG M159 6.2 L V8 20 Reema Juffali Am 1 George Kurtz [10] 1 Ian Loggie 1 Valentin Pierburg[10] 1 75 Maro Engel [11] P 1 Jules Gounon [11] 1 Mikaël Grenier [11] 1 Kenny Habul [11] 1 Wochenspiegel Team Monschau Ferrari 488 GT3 Evo 2020 Ferrari 3.9 L Twin-Turbo V8 22 Daniel Keilwitz PA 3, 5–6 Jochen Krumbach 3, 5 Georg Weiss 3, 5–6 Leonard Weiss 3, 5–6 Indy Dontje 5–6 Nicolás Varrone 6 Huber Racing Porsche 911 GT3 R Porsche 4.0 L Flat-6 23 Jörg Dreisow PA 6 Alexander Schwarzer 6 Manuel Lauck 6 Wolfgang Triller 6 Marc Basseng 6 MANN-FILTER Team Landgraf Mercedes-AMG GT3 Evo Mercedes-AMG M159 6.2 L V8 25 Alexander Hrachowina PA 2 Martin Konrad 2 Bernd Schneider 2 Saintéloc Racing Audi R8 LMS Evo Audi R8 LMS Evo II Audi 5.2 L V10 26 Olivier Esteves Am 1–3 Simon Gachet 1–3 Christian Kelders 1–3 Pierre-Yves Paque 1–3 Olivier Esteves PA 5 Simon Gachet 5 Christian Kelders 5 Nicolas Baert 5 Lucas Légeret 5 Team Joos Sportwagentechnik[12] Porsche 911 GT3 R [12] Porsche 4.0 L Flat-6 27 Friedel Bleifuss[12] PA 1 Jannes Fittje [12] 1 Steffen Görig[12] 1 Michael Joos[12] 1 Schubert Motorsport [13] BMW M4 GT3 [13] BMW S58B30T0 3.0 L Turbo V8 30 Marcel Lenerz[14] P 1 Jens Liebhauser[14] 1 Jordan Witt[14] 1 Nick Yelloly [14] 1 PROsport Performance AMR Aston Martin Vantage AMR GT3 Aston Martin 4.0 L Turbo V8 39 Simon Balcaen Am 1 Guillaume Dumarey 1 Maxime Dumarey 1 Jean Glorieux 1 ARC Bratislava Lamborghini Huracán GT3 Lamborghini 5.2 L V10 44 Tom Jackson Am 1 Mat'o Konôpka 1 Miro Konôpka 1 Andrzej Lewandowski 1 Zdeno Mikulasko 1 Dinamic Motorsport Porsche 911 GT3 R Porsche 4.0 L Flat-6 54 Klaus Bachler P 1 Marvin Dienst 1 Stanislav Minsky 1 Marco Seefried 1 Murad Sultanov 1 Roberto Pampanini PA 6 Amadeo Pampanini 6 Stefano Monaco 6 Nicolas Stürzinger 6 67 Matteo Cairoli P 1 Mauro Calamia 1 Stefano Monaco 1 Roberto Pampanini 1 MP Racing Mercedes-AMG GT3 Evo Mercedes-AMG M159 6.2 L V8 58 Corinna Gostner Am 2 David Gostner 2 Thomas Gostner 2 Giorgio Sernagiotto 2 Earl Bamber Motorsport Porsche 911 GT3 R Porsche 4.0 L Flat-6 61 Adrian D'Silva P 2–3 Reid Harker 2 Matthew Payne 2 Jeffrey Kingsley 3 Tanart Sathienthirakul 3 Juta Racing Audi R8 LMS Evo Audi 5.2 L V10 71 Julius Adomavičius P 2–4 Jonas Gelžinis 2–4 Andrius Gelžinis 2–3 Eimantas Navikauskas 4 Eimantas Navikauskas PA 6 Aurimas Jablonskis 6 Paul August 6 Lars Viljoen 6 Jonas Gelžinis 6 72 Aurimas Jablonskis PA 2 Ignas Gelžinis 2 Audrius Navickas 2 Barwell Motorsport[15] Lamborghini Huracán GT3 Evo [15] Lamborghini 5.2 L V10 77 Adrian Amstutz[15] P 1 Mirko Bortolotti [15] 1 Rik Breukers[15] 1 Rolf Ineichen [15] 1 Racetivity Mercedes-AMG GT3 Evo Mercedes-AMG M159 6.2 L V8 83 Emmanuel Collard PA 1 François Perrodo 1 Charles-Henri Samani 1 Matthieu Vaxivière 1 CP Racing Mercedes-AMG GT3 Evo Mercedes-AMG M159 6.2 L V8 85 Charles Espenlaub Am 1–6 Charles Putman 1–6 Shane Lewis 1, 3, 5–6 Phil Quaife 1 Joe Foster 2, 4–6 Porsche 911 GT3 R Porsche 4.0 L Flat-6 91 Daniel Allemann PA 1, 5–6 Ralf Bohn 1, 5–6 Alfred Renauer 1, 5–6 Robert Renauer 1, 5–6 Jürgen Häring 5-6 Daniel Allemann P 2–3 Ralf Bohn 2–3 Alfred Renauer 2 Robert Renauer 2 Jürgen Häring 3 92 Brenton Grove [16] P 1 Stephen Grove[16] 1 Sven Müller [16] 1 Anton de Pasquale [16] 1 93 Andrey Mukovoz PA 1 Sergey Peregudov 1 Dylan Pereira 1 Stanislav Sidoruk 1 Duel Racing with TF Sport [17] Aston Martin Vantage AMR GT3 [17] Aston Martin 4.0 L Turbo V8 95 Ahmad Al Harthy Am 1 Nabil Moutran[17] 1 Ramzi Moutran[17] 1 Sami Moutran[17] 1 Attempto Racing[18] Audi R8 LMS Evo [18] Audi 5.2 L V10 99 Alex Aka [18] P 1 Luca Engstler 1 Finlay Hutchison[18] 1 Nicolas Schöll 1 Florian Scholze[18] 1 GTX Vortex V8 Vortex 1.0 GTX Chevrolet 6.2 L V8 701 Lionel Amrouche 1–5 Philippe Bonnel 1–5 Sebastien Lajoux 1–4 Philippe Gruau 1 Arnaud Gomez 6 Olivier Gomez 6 Lucas Lasserre 6 702 Gilles Courtois 2–3 Patrick Brochier 2 Nicolas Nobs 2, 6 Boris Gimond 3 Philippe Gruau 3, 6 Lionel Amrouche 6 Philippe Bonnel 6 Francesc Gutierrez Agüi 6 703 Christophe Decultot 2 Pierre Fontaine 2 Philippe Gruau 2 PK Carsport [19] Audi R8 LMS GT2 Audi 5.2 L V10 704 Peter Guelinckx[19] 1 Bert Longin[19] 1 Stienes Longin [19] 1 Stijn Lowette[19] 1 Leipert Motorsport Lamborghini Huracán Super Trofeo Lamborghini 5.2 L V10 710 Erik Davis 1 Gregg Gorski 1, 6 Fidel Leib 1 Alban Varutti 1 Gerhard Watzinger 1, 6 Kerong Li 3–6 Jean-Francois Brunot 3–6 Tyler Cooke 3, 5 Tim Müller 4 Brendon Leitch 6 Razoon - More than Racing KTM X-Bow GT2 Concept Audi 2.5 L I5 714 Daniel Drexel 1 Andreas Höfler 1 Dominik Olbert 1 Kevin Raith 1 Robert Schiftner 1 9und11 Racing Porsche 991 GT3 Cup MR Porsche 4.0 L Flat-6 719 Georg Goder 3 Ralf Oehme 3 Martin Schlüter 3 RD Signs – Siauliai Racing Team Lamborghini Huracán Super Trofeo Evo Lamborghini Huracán Super Trofeo Evo2 Lamborghini 5.2 L V10 720 Audrius Butkevicius 2–6 Nicola Michelon 2–6 Paulius Paskevicius 2–6 Arturs Batraks 6 Alfredo Hernandez 6 HRT Performance Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 728 Jean-Francois Brunot 2 Kerong Li 2 E2P Racing Porsche 991 GT3 II Cup Porsche 4.0 L Flat-6 910 Pablo Burguera 4 Javier Morcillo 4 992 Red Ant Racing Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 903 Ayrton Redant Am 2–5 Bert Redant 2–5 Yannick Redant 2–5 Ayrton Redant P 6 Bert Redant 6 Yannick Redant 6 Sam Dejonghe 6 904 Philippe Wils Am 1–5 Kurt Hensen 1–3 Tom Boonen 1, 4 Luc Vanderfeesten 1 Andreas Mayrl 2 Sam Dejonghe 4 Wim Spinoy 6 Kobe de Breucker 6 Jimmy de Breucker 6 Arnold Neveling 6 Plusline-Racing-Team by Terting&Müskens Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 905 Peter Terting Am 4 Carrie Schreiner 4 Philipp Gresek 4 Harald Geisselhart 4 Seblajoux Racing by DUWO Racing Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 908 Sebastian Lajoux Am 6 David Sarny 6 Laurent Cochard 6 Laurent Misbach 6 Red Camel-Jordans.nl Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 909 Ivo Breukers P 1–6 Jeroen Bleekemolen 1 Julius Adomavičius 1 Morris Schuring 1 Luc Breukers 2–6 Rik Breukers 2–6 Fabian Danz 6 Porsche Lorient Racing Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 911 Frédéric Ancel Am 2 Pascal Gibon 2 Ludovic Loeul 2 Hervé Tremblaye 2 912 Jean-François Demorge Am 2–4 Frederic Lelievre 2–4 Philippe Polette 2–4 Gilles Blasco 2 Frédéric Ancel 3–4 Franck Dezoteux 3 Orchid Racing Team Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 917 Laurent Misbach Am 2 Fabio Spirgi 2 Frank Villiger 2 Loic Villiger 2 Huber Racing Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 923 Enrico Fulgenzi Am 1 Matthias Hoffsümmer 1 Laurin Heinrich 1 Gabriel Rindone 1 924 Evgeny Kireev Am 1 Merabi Mekvabishvili 1 Hendrik Still 1 Wolfgang Triller 1 Three Sixty Racing Team Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 926 Marcio Mauro Am 6 JP Mauro 6 Alan Hellmeister 6 Rafael Suzuki 6 Nelson Monteiro 6 927 Eduardo Menossi Am 6 Francisco Horta 6 Rouman Ziemkiewicz 6 Tom Filho 6 Georgis Frangulis 6 HRT Performance Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 928 Erik Behrens Am 1 Tommy Gråberg 1 Hans Holmlund 1 Daniel Roos 1 Gijs Bessem 2–4, 6 Harry Hilders 2–4 Bob Herber 6 JM Littman 6 Mirko van Oostrum 6 Kim Andre Hauschild 6 929 Gustav Bergström Am 1–2 Emil Persson 1 Henric Skoog 1 Patrik Skoog 1 Johan Kristoffersson 2 Ole Christian Veiby 2 Antti Buri 3 Kari-Pekka Laaksonen 3 Jim Rautiainen 3 Antti Buri P 6 Kari-Pekka Laaksonen 6 Jim Rautiainen 6 Constantin Kletzer 6 930 Stefan Aust Am 1 Nikolai Gadetskii 1 Holger Harmsen 1 JM Littman 1 931 Saeed Al Mouri Am 1 Michael Blanchemain 1 Lars Dahmann 1 Cyril Saleilles 1 Marcel Zalloua 1 Team GP-Elite Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 933 Roger Hodenius P 1 Steven van Rhee 1 Thierry Vermeulen 1 Larry ten Voorde 1 934 Lucas Groeneveld P 1 Daan van Kuijk 1 Jesse van Kuijk 1 Max van Splunteren 1 ID Racing[N 5] RABDAN Motorsports by ID Racing[N 5]
Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 940 Audrius Butkevicius P 1 Vincent Piemonte 1 Adrian Spescha 1 Shaun Thong 1 944 Alexandr Artemyev P 1 Jukka Honkavuori 1 Bashar Mardini 1 Philipp Sager 1 Christopher Zöchling 1 977 Saif Al Ameri P 1, 6 Salem Al Ketbi 1 Helal Ali Mazrouei 1 Fahad Al Zaabi 1 Saeed Almheiri 1 Thierry Vermeulen 6 Enrico Fulgenzi 6 Nikolai Gadetskii 6 Baporo Motorsport Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 951 Manel Lao Cornago Am 6 Jaume Font 6 Daniel Diaz Varela 6 Guillem Pujeu 6 Fach Auto Tech Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 961 Alexander Fach Am 1 Dominik Fischli 1 Peter Hegglin 1 Jan Klingelnberg 1 Marcel Wagner 1 962 Átila Abreu P 1 Ayman Darwich 1 Eduardo Menossi 1 Leonardo Sanchez Secundino 1 Rouman Zimekiewicz 1 Speed Lover Porsche 992 GT3 Cup Porsche 4.0 L Flat-6 979 John de Wilde Am 1, 3 Olivier Dons 1, 3 Jean-Michel Gerome 1 Eric Mouez 1 Brent Verheyen 1 Dominique Bastien 3 991 Red Ant Racing Porsche 991 GT3 II Cup Porsche 4.0 L Flat-6 903 Pieter Ooms 1 Glenn van Parijs 1 Ayrton Redant 1 Yannick Redant 1 Van Berlo Motorsport by Bas Koeten Racing Porsche 991 GT3 II Cup Porsche 4.0 L Flat-6 906 Glenn van Berlo 3 Marcel van Berlo 3 Bart van Helden 3 E2P Racing Porsche 991 GT3 II Cup Porsche 4.0 L Flat-6 910 Pablo Burguera 3, 6 Manuel Cintrano 3, 6 Ben Clucas 3 Jaime Garcia 6 Antonio Sainero 6 Javier Morcillo 6 Porsche 991 GT3 II Cup Porsche 4.0 L Flat-6 955 Fabrizio Broggi 1–2, 6 Sabino de Castro 1–2, 6 Sergiu Nicolae 1–2, 6 973 Gianluca Giorgi 2 Gianluigi Piccioli 2 Paolo Venerosi 2 'Spezz' 2 974 Massimiliano Donzelli 2 Massimiliano Montagnese 2 Pietro Negra 2 Luigi Peroni 2 NKPP Racing by Bas Koeten Racing Porsche 991 GT3 II Cup Porsche 4.0 L Flat-6 991 Gijs Bessem 1 Bob Herber 1 Harry Hilders 1 Daan Meijer 1 GT4 ALFAB Racing McLaren 570S GT4 McLaren 3.8 L Turbo V8 400 Erik Behrens 3 Daniel Roos 3 PROsport Performance AMR Aston Martin Vantage AMR GT4 Aston Martin 4.0 L Turbo V8 401 Guido Dumarey 1 Rodrigue Gillion 1 Mike David Ortmann 1 Hugo Sasse 1 Nico Verdonck 1 AtlasBX Motorsports Mercedes-AMG GT4 Mercedes-AMG M178 4.0 L V8 403 Roelof Bruins 1, 6 Steven Cho 1, 6 Jong Kyum Kim 1, 6 Yong Hyeok Yang 1 Taekeun Yang 6 Ha Tae Young 6 Westend Racing Porsche 718 Cayman GT4 Clubsport Porsche 3.8 L Flat-6 404 Markus Palttala 3 Jorma Vanhanen 3 Mattias Wrede 3 Dragon Racing Mercedes-AMG GT4 Mercedes-AMG M178 4.0 L V8 408 Oliver Goethe 1 Roald Goethe 1 Jordan Grogor 1 Stuart Hall 1 Heide Motorsport Audi R8 LMS GT4 Evo Audi 5.2 L V10 411 Cabell Fisher 1 Sophie Hofmann 1 Ulrich Kainzinger 1 Daniel Karl 1 Heinz Schmersal 1 Maniack-Racing Mercedes-AMG GT4 Mercedes-AMG M178 4.0 L V8 412 Martin Wachter 4 Dario Pergolini 4 Constantin Kletzer 4 Jönsson consult / eva solo Mercedes-AMG GT4 Mercedes-AMG M178 4.0 L V8 415 Claus Bertelsen 1 Henrik Bollerslev 1 Jan Engelbrecht 1 Søren Jönsson 1 Buggyra Racing Mercedes-AMG GT4 Mercedes-AMG M178 4.0 L V8 416 Aliyyah Koloc 3 Yasmeen Koloc 3 Adam Lacko 3 Orchid Racing Team Porsche 718 Cayman GT4 Clubsport Porsche 3.8 L Flat-6 417 Stefan Chaligne 2 Antonio Garzon 2 Antoine Leclerc 2 Alexandre Mottet 2 Team ACP-Tangerine Associates by VEIDEC JJ Motorsport[20] BMW M4 GT4 [20] BMW N55 3.0 L Twin-Turbo I6 421 Catesby Jones[20] 2–3, 5–6 Wim Spinoy[20] 2–3, 5–6 Steven Thomas 3 Veidec Racing by JJ Motorsport[20] 422 Arthur Peters 3 Hakan Sari 3 Recep Sari 3 Heart of Racing Team Aston Martin Vantage AMR GT4 Aston Martin 4.0 L Turbo V8 423 Roman De Angelis 1 Ian James 1 Gray Newell 1 Alex Riberas 1 BMW M4 GT4 BMW N55 3.0 L Twin-Turbo I6 429 Alexander Bukhanstov 1 Andrew Gordon-Colebrooke 1 George King 1 James Winslow 1 450 Danny van Dongen 1 Nathan Freke 1 Daren Jorgensen 1 Brett Strom 1 Senkyr Motorsport BMW M4 GT4 BMW N55 3.0 L Twin-Turbo I6 444 Samuel Vetrak 6 Marian Biz 6 Petr Svantner 6 Ladislav Smucr 6 Richard Gonda 6 Team Avia Sorg Rennsport[21] BMW M4 GT4 [21] BMW N55 3.0 L Twin-Turbo I6 451 Stefan Beyer[21] 1 Stephan Epp[21] 1 Olaf Meyer[21] 1 Michael Nielsen[21] 1 Björn Simon[21] 1 452 Ahmed Al Melaihi 1 Dmytro Ryzhak[21] 1 Francisco Sapien[21] 1 Benito Tagle[21] 1 Hans Joachim Theiss[21] 1 CWS Engineering Ginetta G56 GT4 GM LS3 6.2 L V8 478 Mike Simpson 1, 3 Colin White 1, 3 Lawrence Tomlinson 1 James Jakes 1 Freddie Tomlinson 3 Car Collection Motorsport Audi R8 LMS GT4 Evo Audi 5.2 L V10 499 Andreas Bakkerud 3, 5 José Garcia 3, 5 Patrick Kolb 3, 5 Iberian Supercars Endurance Series (First 2 Hours Only) Lema Racing Mercedes-AMG GT4 Mercedes-AMG M178 4.0 L V8 802 Manuel Gião 6 Elias Niskanen 6 Araújo Competição McLaren 570S GT4 Trophy McLaren 3.8 L Turbo V8 803 Fred Block 6 Alvaro Ramos 6 McLaren 570S GT4 McLaren 3.8 L Turbo V8 888 Francisco Carvalho 6 Miguel Cristóvão 6 JOTA Motorsport Ginetta G50 GT4 Ford Cyclone 3.5L V6 813 Juan Carlos Arias 6 Tom Seldon 6 SMC Motorsport McLaren 570S GT4 McLaren 3.8 L Turbo V8 819 Gonzalo de Andrés 6 Fernando Navarrete 6 877 Guillermo Aso 6 Tomás Pintos 6 Garagem João Gomes Porsche Cayman GT4 Clubsport MR Porsche 3.8L flat-6 881 Quique Bordas 6 João Carvalhosa 6 Pro GT Porsche Cayman GT4 Clubsport MR Porsche 3.8L flat-6 890 Andrius Zemaitis 6 Source:[22] [23] [24]