Standardizing Primary Health Care Referral Data Sets in Nigeria: Practitioners' Survey, Form Reviews, and Profiling of Fast Healthcare Interoperability Resources (FHIR)

Emeka Chukwu   ^{1, 2} , BEng, MSc ;   Lalit Garg   ¹ , BSc, PhD ;   Nkiruka Obande-Ogbuinya   ³ , BSc, MSc, PhD ;   Vijay Kumar Chattu   ^{4, 5, 6} , MD, MPH, MPhil

¹ Department of Computer Information Systems, Faculty of Information Communication Technology, University of Malta, Msida, Malta

² Digital Health Interoperability Network, Abuja, Nigeria

³ Department of Science Education, Alex-Ekwueme Federal University Ndufu-Alike, Ikwo, Ebonyi, Nigeria

⁴ Department of Occupational Science & Occupational Therapy, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada

⁵ Center for Transdisciplinary Research, Saveetha Institute of Medical and Technological Sciences, Saveetha University, Chennai, India

⁶ Department of Community Medicine, Faculty of Medicine, Datta Meghe Institute of Medical Sciences, Wardha, India