Mayo Clinic, Rochester, Minnesota, United States
Vrije Universiteit Amsterdam, Amsterdam, Netherlands
Research Site, Ruddington, United Kingdom
King's College London, London, United Kingdom
Cinical Trial Consultants AB, Uppsala, Sweden
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, Zhejiang, China
The Third Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
Faculty of Dentistry, Cairo University, Cairo, Egypt