[1
]
Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University,
Zhengzhou, Henan450001, China.
[2
]
Department of Clinincal Nutrition, The Fifth Affiliated Hospital of Zhengzhou University,
Zhengzhou, Henan, China.
[3
]
Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou
University, Zhengzhou, Henan, China.