@article{95da9dfcee8a4d2c99b7e39eef654765,
title = "Seasonal variation in physical activity and sedentary time in different European regions. The HELENA study.",
keywords = "HEALTHY LIFE-STYLE, AGED CHILDREN, SOCIOECONOMIC-STATUS, PRESCHOOL-CHILDREN, SCHOOL-CHILDREN, BONE MASS, ADOLESCENTS, ACCELEROMETER, VARIABILITY, BEHAVIOR",
author = "Luis Gracia-Marco and Ortega, \{Francisco B\} and Ruiz, \{Jonatan R\} and Williams, \{Craig A\} and Maria Hagstr{\"o}mer and Yannis Manios and Anthony Kafatos and Laurent B{\'e}ghin and Angela Polito and \{De Henauw\}, Stefaan and Jara Valtue{\~n}a and Kurt Widhalm and Denes Molnar and Ute Alexy and Moreno, \{Luis A\} and Michael Sj{\"o}str{\"o}m",
note = "Private Medical University, Austria",
year = "2013",
doi = "10.1080/02640414.2013.803595",
language = "English",
volume = "31",
pages = "1831--1840",
journal = "Journal of Sports Sciences",
issn = "0264-0414",
number = "16",
}