1 Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India. Electronic address: [email protected].
2 Department of Radiotherapy, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS), Lucknow, India.
3 Division of Thoracic Surgery, Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, India.
4 Department of Radiotherapy and Regional Cancer Centre, Postgraduate Institute of Medical Education & Research (PGIMER), Chandigarh, India.
5 Department of Medical Oncology, Dr. B.R. Ambedkar Institute-Rotary Cancer Hospital (BRAIRCH), All India Institute of Medical Sciences (AIIMS), New Delhi, India.
6 Department of Pulmonary, Critical Care and Sleep Medicine, All India Institute of Medical Sciences (AIIMS), New Delhi, India.
7 Department of Surgical Oncology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India.
8 Department of Pulmonary Medicine, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India.