Current challenges and potential solutions to the use of digital health technologies in evidence generation: a narrative review. - Hassan Mumtaz; Muhammad Hamza Riaz; Hanan Wajid; Muhammad Saqib; Muhammad Hamayl Zeeshan; Shaheer Ellahi Khan; Yesha Rajendrabhai Chauhan; Hassan Sohail; Laiba Iman Vohra (Frontiers Digit. Health, 2023)