context: Following his football coaching career, he received a medical degree from the University of Maryland School of Medicine in 1907, and entered into medical practice in his hometown of Raleigh.
source: During World War I, McKee achieved the rank of major in the American Expeditionary Forces as a field surgeon with the 1st Gas Regiment.
reference_original: Durante a Primeira Guerra Mundial, McKee alcançou o ranque de major nas Forças Expedicionárias Americanas como cirurgião de campo com o 1.° Regimento de Gás.
reference_flipped: Durante a Primeira Guerra Mundial, McKee alcançou o ranque de major nas Forças Expedicionárias Americanas como cirurgiã de campo com o 1.° Regimento de Gás.