This study is an important part of the human aspect of patient care and communication. Data collection were concluded on August 2023. Data analysis and publications are still in progress. The principal investigators of the study are Prof. Champika Bodinayake(Professor, Department of medicine, Faculty of Medicine, University of Ruhuna.)Co-investigators are Prof. Gayani Tillekaratne (Assistant professor, Department of Medicine and Global Health, Duke University, School of Medicine, Durham, NC, USA), Dr. Sahabandu S.C., Faculty of Medicine, University of Colombo, 25 Kynsey road, Colombo 00800, Sri Lanka.)Commenced in March 2023.