Table 1.

Study Subject demographics

Year	Both rounds	2016	2017
Total (N)	398	187	211
Male (%)	394 (98.9)	185 (98.9)	209 (99.1)
Female (%)	4 (1.1)	2 (1.1)	2 (0.9)
Age range * (overall, in years)	5—59	20—59	5—59

^* Age: 1 missing value in round 1, 2 in round 2