1. School of Nursing, Johns Hopkins University, Baltimore, MD, USA
2. Department of Pediatrics, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
3. School of Nursing, University of Rochester, Rochester, NY, USA
4. Primary Care Pediatric Nurse Practitioner, Park Pediatrics, Takoma Park, MD, USA
5. Pediatric Nurse Practitioner, East Pompano Pediatrics, Pompano Beach, FL, USA
6. Pediatric Nurse Practitioner, Center for Colorectal and Pelvic Reconstruction, Nationwide Children's Hospital, Columbus, OH, USA
7. Health Promotion and Disease Prevention Department, University of Tennessee Health Science Center, College of Nursing, Memphis, TN, USA
8. Department of Family Medicine, Jacobs School of Medicine and Biomedical Sciences, University of Buffalo, Buffalo, NY, USA