Hanaoka Seishu Memorial Cardiovascular Clinic, Sapporo, Hokkaido, Japan
Iwate Medical University, Morioka, Iwate, Japan
Saitama Sekishinkai Hospital, Sayama, Saitama, Japan
Baylor University Hospital, Dallas, Texas, United States
Ohio State University, Columbus, Ohio, United States
Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, United States
Washington Hospital Center, Washington, District of Columbia, United States
New York University Hospital, New York, New York, United States
South Denver Cardiology Associates, P.C., Littleton, Colorado, United States
National Heart Centre Singapore, Singapore, Central, Singapore
Tan Tock Seng Hospital, Singapore, Central, Singapore
Luzerner Kantonsspital, Luzern, Switzerland
Thrive Clinic, Santa Rosa, California, United States
Ambulatory Surgery Center of Killeen, Killeen, Texas, United States
Nevada advanced pain specialists, Reno, Nevada, United States
Chandler Regional Medical Center, Chandler, Arizona, United States
Kaiser Permanente Los Angeles Medical Center, Los Angeles, California, United States
USC University Hospital, Los Angeles, California, United States
National Pain Institute Winter Park, Winter Park, Florida, United States
Nevada Advanced Pain Specialists, Reno, Nevada, United States
Comprehensive Spine Institute, Clearwater, Florida, United States
Arkansas Cardiology, Little Rock, Arkansas, United States
Cardiology Associates of North East Arkansas, Jonesboro, Arkansas, United States
Bryan LGH Medical Center East, Lincoln, Nebraska, United States
University of North Carolina, Raleigh, North Carolina, United States
Ohio Sate University, Columbus, Ohio, United States
University of Minnesota, Minneapolis, Minnesota, United States
Cedars-Sinai Medical Center, Los Angeles, California, United States
Abbott Northwestern Hospital, Minneapolis, Minnesota, United States
Henry Ford Hospital, Detroit, Michigan, United States