[1] Univ Hosp Birmingham, Birmingham, W Midlands, England
[2] Med Univ Vienna, Vienna, Austria
[3] Univ Hosp Zurich, Zurich, Switzerland
[4] Univ Hosp Leuven, Leuven, Belgium
[5] Christie Hosp, Manchester, Lancs, England
[6] Athens Univ, Sch Med, Athens, Greece
[7] Ctr Hosp Univ Hosp Bordeaux, Bordeaux, France
[8] Fdn Ca Granda, Dept Dermatol, IRCCS, OMP, Milan, Italy
[9] Univ Barcelona, Hosp Clin, Barcelona, Spain
[10] Churchill Hosp, Oxford, England
[11] Univ Pittsburgh, Sch Med, Pittsburgh, PA USA
[12] Helsinki Univ Cent Hosp, Helsinki, Finland
[13] Peter Maccallum Canc Ctr, Melbourne, Vic, Australia
[14] Univ Hosp Southampton, Southampton, Hants, England
[15] Poole Hosp, Poole, Dorset, England
[16] Royal Devon & Exeter Hosp, Exeter, Devon, England
[17] Univ Hosp Kiel, Kiel, Germany
[18] Semmelweis Univ, Budapest, Hungary
[19] Hosp Univ Bellvitge, Barcelona, Spain
[20] Torbay Hosp, Torquay, England
[21] Newcastle Upon Tyne NHS Trust, Newcastle Upon Tyne, Tyne & Wear, England
[22] Univ Hosp Wuerzburg, Wurzburg, Germany
[23] Univ Sao Paulo, Sch Med, Sao Paulo, Brazil