About the Authors

Rashmi Ranjan Das

Affiliation Department of Pediatrics, All India Institute of Medical Sciences (AIIMS), Bhubaneswar, India

Meenu Singh

meenusingh4@gmail.com

Affiliation Department of Pediatrics, Post-Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India

Competing Interests

Meenu Singh (MS) was one of the principal co-investigator of the included ISPOT study in the present systematic review. Rashmi Ranjan Das (RRD) has worked as a research officer in the same ISPOT study. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RRD MS. Performed the experiments: RRD MS. Analyzed the data: RRD MS. Contributed reagents/materials/analysis tools: RRD MS. Wrote the paper: RRD MS.