1. University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
2. Imperial College Healthcare NHS Trust, London, UK
3. Faculdade de Enfermagem, Nutriccao e Fisioterapia, Pontificia Universidade Catolica do Rio Grande do Sul, Brazil
4. Princess Alexandra Hospital and School of Medicine, University of Queensland, Brisbane, Australia
5. Mount Elizabeth Medical Centre, Singapore
6. Saint John Regional Hospital, Horizon Health Network, St. John, New Brunswick, Canada
7. Sri Ramachandra University No 1, Ramachandra Nagar, Porur, Chennai, India
8. Department of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, PR China