Sapporo Medical University, Sapporo University, The Prince Charles Hospital, Yokohama City University - Yokohama City University Hospital, Wakayama Medical University - Wakayama Medical University Hospital and Fujita Health University

Kobe University - Kobe University Hospital, Yokohama City University - Yokohama City University Hospital, Wakayama Medical University - Wakayama Medical University Hospital, Hiroshima University - Hiroshima University Hospital, Wakayama Medical University - Wakayama Medical University Hospital, Milano-Bicocca University - School of Medicine and Surgery, Hebrew University of Jerusalem - Hebrew University, Radboud University Nijmegen - Radboud University Medical Center, Prince of Wales Hospital, Sungkyunkwan University - Samsung Medical Center, Department of Critical Care Medicine, Faculty of Medicine, University of Tripoli, Sanjay Gandhi Post Graduate Institute of Medical Sciences, University Hospital of Jaén, Medical University of Graz, University of Bern - Bern University Hospital, University of Calgary, University of Montreal, Cremona Special Care Services, Hospital Israelita Albert Einstein, Johns Hopkins University, University of Copenhagen, NOVA University Lisbon, Paracelsus Medical University Salzburg, Mayo Clinic, University Hospital Mannheim and The Prince Charles Hospital