The WHO evidence-informed guideline development process and implications for vitamin and mineral research priorities: symposium rationale and summary.Neufeld, L. M., Jalal, C. S., Pena-Rosas, J. P., Tovey, D., Lutter, C. K., Stoltzfus, R. J., & Habicht, J. P. (2013). The WHO evidence-informed guideline development process and implications for vitamin and mineral research priorities: symposium rationale and summary. Adv Nutr, 4(5), 557-559. doi: 10.3945/an.113.004291