Table 1 Approval ID by the local ethics committee, and Clinical Trials Registry of the studies.

From: Metabolic flexibility during sleep

Journal, yearreference

Approval ID

Clinical Trials Registry, date

EBioMedicine, 201519

Tai 24-44

Not registered

PLoS One, 201718

Tai 24-119

Not registered

Metabolism, 20178

Tai 22-390

Not registered

Am J Clin Nutr, 201921

Tai 25-16

UMIN000032346, 2018/4/23

Nutrients, 20209

H30-224

UMIN000035313, 2018/12/19

Metabolism Open, 202020

Tai 26-46

UMIN000040638, 2020/6/3

J Appl Physiol, 2020 22

Tai 28-32

UMIN000038252, 2019/10/10

Physiol Rep, 202023

Tai 29-29

Not registered

Sci Rep, 202124

Tai-28-52

UMIN000040428, 2020/5/31

Sleep Med Res, 202125

H30-284

UMIN000035640, 2021/3/31

  1. All study protocols were approved by the local ethics committee of the University of Tsukuba, and its approval ID was shown. Clinical Trials Registry was not applied for 4 observational studies8,18,19,23.
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