Establishment of a patient and public involvement and engagement group to support clinical trials in Pakistan: Initial lessons learned oleh Timo Tolppa, Arishay Hussaini, Nikhat Ahmed, Arjen M. Dondorp, Shehla Farooq, Monaza Khan, Adnan Masood, Srinivas Murthy, Saima Saleem, Zahyd Shuja, Shahnaz Zaman, Madiha Hashmi