1. Department of Psychiatry and Behavioural Sciences , Oklahoma State University Center for Health Sciences , Tulsa , OK , USA
2. Oklahoma State University College of Osteopathic Medicine at Cherokee Nation, Office of Medical Student Research , Tahlequah , OK , USA
3. Department of Paediatrics , University of Oklahoma, School of Community Medicine , Tulsa , OK , USA
4. Oklahoma State University College of Osteopathic Medicine, Office of Medical Student Research , Tulsa , OK , USA
5. Oklahoma State University Centre for Health Sciences, National Centre for Wellness and Recovery , Tulsa , OK , USA