About the Authors

Hassan Khan

To whom correspondence should be addressed. E-mail: drhasankhan@gmail.com

Affiliation Medical College, Aga Khan University, Karachi, Pakistan

Ather M. Taqui

Affiliation Medical College, Aga Khan University, Karachi, Pakistan

Muhammad Rizwanulhaq Khawaja

Affiliation Medical College, Aga Khan University, Karachi, Pakistan

Zafar Fatmi

Affiliation Department of Community Health Sciences, Aga Khan University, Karachi, Pakistan

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.