NIH hosts papers. It is not an authority by itself.
The NIH paper is from the following authors:
Haseeb Mehmood Qadri, corresponding author 1 Abdul Waheed,1 Ali Munawar,2 Hasan Saeed,3 Saad Abdullah,4 Tayyba Munawar,1 Shaheer Luqman,1 Junaid Saffi,1 Awais Ahmad,5 and Muhammad Saad Baba r6
1 Surgery, Lahore General Hospital, Lahore, PAK
2 Surgery, Shaikh Zayed Hospital, Lahore, PAK
3 Pathology, Allama Iqbal Medical College, Lahore, PAK
4 General Surgery, Allama Iqbal Medical College, Lahore, PAK
5 Surgery, Jinnah Hospital, Lahore, PAK
6 General Surgery, Lahore General Hospital, Lahore, PAK
Pakistan may have a strongly religious influence on its faculty... and I'm going to ask what expertise surgeons have on the subject mater compared to the layman.