Appendix 1. List of clinics and participants. The following clinics and

Appendix 1.
List of clinics and participants. The following clinics and participating orthoptists contributed to the study
(names are listed per group, in alphabetical order of the clinic, and in alphabetical order of the names):
Amphia Hospital, Breda & Oosterhout (K. Corft, C. Klerks-Kuijpers, P. Neomagus, C. Stoop);
Catharina Hospital, Eindhoven (E. van Rooijen-Troost);
Flevohospital, Almere (L. Bakker, N. Bos - De Bruin);
Isala Clinics, Zwolle (A. Wellner-Fokker);
Kennemer Hospice, Haarlem (W. Jutte, A. Hupsch-Van den Heuvel, A. Spaan);
Lievensberg Hospital, Bergen op Zoom (M. de Rooij, A. van Voorden-Van der Knaap);
Máxima Medical Centre, Eindhoven & Veldhoven (E. Cockx-Huitema);
Medical Clinic, Alkmaar (W. Hoogeveen, I. Huisman);
Medical Centre Haaglanden, The Hague (E. van Minderhout, B. Simonsz-Tóth, M. Vermeulen - Jongen);
Mesos Medical Centre, Utrecht (A. van de Bovenkamp-Scheper, A. Versteeg);
Rivierenland Hospital, Tiel (T. Kooij-'t Spijker);
Ruwaard van Puttenhospital, Spijkenisse (M. Kruiswijk);
Sint Lucas Andreas Hospital, Amsterdam (A. Burger-Meywaard);
Tergooi Hospitals, Hilversum (D. Hamers);
Twenteborghospital, Almelo (I. 't Hart-Leemhuis, M. Hazenkamp-Boekhold, F. Jansen, D. van der Nagel-Pronk);
Vlietland Hospital, Vlaardingen (S. Rousse, D. Valster); and
Zweeds Rode Kruis Hospital, Zierikzee, Van Weel-Bethesda Ziekenhuis, Dirksland, and Medical Centre,
Middelburg (J. Kieviet-De Geus).