About the Authors

The SEA-ORCHID Study Group

pisake@kku.ac.th (Pisake Lumbiganon)

Membership of The SEA-ORCHID Study Group is provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TS-OSG. Performed the experiments: TS-OSG. Analyzed the data: TS-OSG. Contributed reagents/materials/analysis tools: TS-OSG. Wrote the paper: TS-OSG.