2.1. Subjects
WEST
Twelve healthy adults (five females and seven males; mean age: 27.4 ± 3.4 years; mean body mass index [BMI]: 21.5 ± 1.9 kg/mAll subjects were provided with detailed instructions regarding the study procedures, lifestyle requirements during the study period, and instructions for completing the questionnaire. Written consent was obtained from all subjects prior to their enrollment. This study was approved by the Ethics Committee of West China Fourth Hospital/West China School of Public Health, Sichuan University (approval number: Gwll2022111). The trial protocol is registered in the China Clinical Trial Registry (registration number: ChiCTR2300068194).