. 2020 Jul 9;62(7):820–827. doi: 10.1111/ped.14237
© 2020 The Authors. Pediatrics International published by John Wiley & Sons Australia, Ltd on behalf of Japan Pediatric Society
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Fig. 1.
Study scheme. D, day; V, visit.