About the Authors

David K. Wright

msafiri@snu.ac.kr

Affiliation Department of Archaeology and Art History, Seoul National University, Seoul, Republic of Korea

Scott MacEachern

Affiliation Department of Anthropology, Bowdoin College, Brunswick, Maine, United States of America

Jaeyong Lee

Affiliation Department of Statistics, Seoul National University, Seoul, Republic of Korea

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DKW JL. Performed the experiments: DKW JL. Analyzed the data: DKW SM JL. Contributed reagents/materials/analysis tools: DKW JL. Contributed to the writing of the manuscript: DKW SM JL. Designed and conceived the geospatial experiments and GIS methods: DKW. Conducted fieldwork identifying sites used in this manuscript: SM. Designed and conceived logistic regression experiment: JL.