1. Department of Health Policy and Administration College of Health and Human Development, The Pennsylvania State University University Park Pennsylvania USA
2. Department of Biostatistics and Center for Statistical Sciences Brown University School of Public Health Providence Rhode Island USA
3. Faculty of Medicine, Nursing, Midwifery and Health Sciences University of Notre Dame Australia Sydney Australia
4. Department of Radiology Duke University Durham North Carolina USA
5. Department of Medicine University of Otago Medical School Dunedin New Zealand
6. Department of Radiology Mayo Clinic Rochester Minnesota USA
7. Department of Otolaryngology – Head Neck Surgery Southern Illinois University School of Medicine Springfield Illinois USA