About the Authors

Chandan Kumar

c.kumar803@gmail.com

Affiliation Department of Humanities and Social Sciences, Indian Institute of Technology (IIT), Roorkee, Uttarakhand, India

Prashant Kumar Singh

Affiliation International Institute for Population Sciences, Mumbai, Maharashtra, India

Rajesh Kumar Rai

Affiliation Tata Institute of Social Sciences, Mumbai, Maharashtra, India

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CK PKS. Performed the experiments: CK PKS. Analyzed the data: CK PKS. Contributed reagents/materials/analysis tools: CK PKS RKR. Wrote the paper: CK PKS RKR.