Journal

BMJ

Publication Date

2019

Volume

365

Inclusive Pages

l1580

Document Type

Open Access Publication

DOI

10.1136/bmj.l1580

xiey046503.ww1.pdf (85 kB)
Supplemental tables 1, 2, and 3

xiey046503.ww2.pdf (1865 kB)
Supplemental figure 1a-c

xiey046503.ww3.pdf (54 kB)
Supplemental figure 2

xiey046503.ww4.pdf (127 kB)
Supplemental methods

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