Coitus

• Coastal Clinical Research Inc — Mobile, Alabama, United States
• Radiant Research, Inc. - Phoenix SE — Chandler, Arizona, United States
• Desert Clinical Research, LLC - Radiant — Mesa, Arizona, United States
• Family Practice Specialists - Radiant — Phoenix, Arizona, United States

• University of Konstanz — Konstanz, Baden-Wurttemberg, Germany

• Tatyana Vinnik — Astana, Kazakhstan

• Medical University of Graz — Graz, Austria
• Xijing hospital of Fourth Military Medical University — Xi'an, Shaanxi, China

• Istituto Superiore di Osteopatia — Milan, MI, Italy

Not specified

• SAMRC/WITS Developmental Pathways of Health Research Unit, University of Witwatersrand — Johannesburg, Gauteng, South Africa

• Three Post Anaesthesia Care Units (PACUs) at Skåne University Hospital in Malmö, Sweden — Malmö, Sweden

• Medical University of South Carolina — Charleston, South Carolina, United States

• Ajman university — Fujairah, UAE, United Arab Emirates