Cheng G, Buyken AE, Shi L, Karaolis-Danckert N, Kroke A, Wudy SA, Degen GH, Remer T. Beyond overweight: nutrition as an important lifestyle factor influencing timing of puberty. Nutr Rev. 2012 Mar;70(3):133–52. doi: 10.1111/j.1753-4887.2011.00461.x. PMID: 22364156.