University Trauma Hospital, Tirana, Albania
Clinical Hospital Center Rijeka, Rijeka, Croatia
General Hospital Dr Josip Bencevic Slavonski Brod, Slavonski Brod, Croatia
UMC Groningen, Groningen, Netherlands
Maastricht UMC+, Maastricht, Netherlands
UMC Utrecht, Utrecht, Netherlands
UMC Utrecht, Utrecht, Netherlands
Amsterdam University Medical Center, VUmc, Amsterdam, Noord-Holland, Netherlands
Erasmus University Medical Center, Rotterdam, Zuid-Holland, Netherlands
University Medical Center Utrecht, Utrecht, Netherlands
Radboud University Medical Center, Nijmegen, Gelderland, Netherlands
Maastricht UMC, Maastricht, Limburg, Netherlands
Catharina Ziekenhuis, Eindhoven, Noord-Brabant, Netherlands
University Medical Center Utrecht, Utrecht, Netherlands
Augenklink Sulzbach, Sulzbach, Germany
Vienna Institute for Research in Ocular Surgery, Austria, Vienna, Austria
Amphia Ziekenhuis, Breda, Noord-Brabant, Netherlands
M.D. Anderson Cancer Center, Houston, Texas, United States
University of Chicago Medical Center, Chicago, Illinois, United States
University Health Network Toronto, Toronto, Ontario, Canada
UMC Utrecht / Wilhelmina Children's Hospital, Utrecht, Netherlands
UMC Utrecht, Utrecht, Netherlands