[1] Chelsea & Westminster Hosp NHS Fdn Trust, London, England
[2] Univ Copenhagen, Rigshosp, Copenhagen, Denmark
[3] Tech Univ Munich, Sch Med, Munich, Germany
[4] Hosp Clin Barcelona, Barcelona, Spain
[5] Med Univ Hanover, Hannover, Germany
[6] Univ Bonn, Bonn, Germany
[7] BDO Hlth Care Consultancy, Vienna, Austria
[8] Sorbonne Univ Hosp St Antoine, Paris, France
[9] Natl & Kapodistrian Univ Athens, Athens, Greece
[10] Option 3, Vienna, Austria
[11] UCD Sch Med, Dublin, Ireland
[12] Inst Prof Teresa Branco, Lisbon, Portugal
[13] Karolinska Univ Hosp, Stockholm, Sweden
[14] ASST Santi Paolo E Carlo Univ Hosp, Milan, Italy