Affiliation: | aPhD research student, Barts and The London School of Medicine and Dentistry, London, UK. ; bSenior Registrar, Guy''s Hospital, London, UK. ; cAssociate Professor, University of Athens, Greece. ; dDirector, Cochrane Collaboration (Bahrain Branch), Bahrain. ; eVisiting Assistant Professor, Bern, Switzerland, and private practice, Corfu, Greece. |