The investigators aim to investigate the association between hair, serum, urine and saliva to measure cortisol, cortisone, cotinine, nicotine, melatonin and caffeine.
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Exclusion Criteria:
pchen@ntu.edu.tw(02)33668088
ruth092816@gmail.com(02)33668088
Test1, Test2 test3, Taiwan
pchen@ntu.edu.tw(02)33668088