12
Countries
27
Hospitals
1521
Patients included
Participating institutes
| Country | Hospital | City | No. of patients included |
| Netherlands | Leiden University Medical Center | Leiden | 28 |
| University Cancer Center Leiden – The Hague | The Hague | 19 | |
| PATHAN Laboratories (Franciscus Gasthuis; Franciscus Vlietland; IJsselland Ziekenhuis; Admiraal De Ruyter Ziekenhuis) | Rotterdam region | 133 | |
| Meander Medisch Centrum | Amersfoort | 41 | |
| Universitair Medisch Centrum Utrecht | Utrecht | 57 | |
| Deventer Ziekenhuis | Deventer | 75 | |
| Spaarne Gasthuis | Haarlem and Hoofddorp | 101 | |
| Symbiant Laboratories (Noordwest Ziekenhuisgroep) | Alkmaar region | 42 | |
| Reinier de Graaf Hospital | Delft | 55 | |
| LabPON (Medisch Spectrum Twente, Ziekenhuisgroep Twente) | Enschede region | 65 | |
| VieCuri Medisch Centrum | Venlo region | 111 | |
| Brazil | Napoleão Laureano Hospital | João Pessoa | 70 |
| Denmark | Vejle Hospital – Lillebælt | Vejle | 116 |
| Macedonia | University of Ss. Cyril and Methodius | Skopje | 231 |
| Portugal | Hospital Garcia de Orta | Almada | 24 |
| Hospital CUF Tejo | Lisbon | 28 | |
| Slovenia | Onkološki Inštitut Ljubljana | Ljubljana | 117 |
| Spain | Vall d’Hebron Institute of Oncology | Barcelona | 53 |
| Hospital Clinic | Barcelona | 80 | |
| Ukraine | Kyiv Oncology Centre | Kyiv | 4 |
| United Kingdom | University Hospital of North Tees | Hardwick | 38 |
| NHS Greater Glasgow and Clyde | Glasgow region | 34 | |
| Royal Free London NHS Foundation | London | 0 |
Institutes waiting for approval
| Country | Hospital | City | No. of patients included |
| Czech Republic | Charles University | Prague | 0 |
| Hungary | Semmelweis University Budapest | Budapest | 0 |
| Serbia | University of Belgrade | Belgrade | 0 |
| Institute of Oncology Vojvodine Faculty of Medicine Novi Sad |
Sremska Kamenica Novi Sad |
0 |