About the Authors

Hassan Khan, Ather M. Taqui, Muhammad Rizwanulhaq Khawaja
Medical College, Aga Khan University, Karachi, Pakistan

Zafar Fatmi
Department of Community Health Sciences, Aga Khan University, Karachi, Pakistan

Corresponding Author

drhasankhan@gmail.com

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HK MK. Performed the experiments: HK AT. Analyzed the data: HK AT MK. Contributed reagents/materials/analysis tools: HK. Wrote the paper: HK AT ZF.