Research gap of guidelines might be an important approach to prioritization (Letter commenting on: J Clin Epidemiol. 2015;68:341-6)

Affiliations

• ¹ Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, No. 199, Donggang West Road, Chengguan District, Lanzhou, Gansu 730000, Peoples' Republic of China; Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, No. 199, Donggang West Road, Chengguan District, Lanzhou, Gansu 730000, Peoples' Republic of China.
• ² Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, No. 199, Donggang West Road, Chengguan District, Lanzhou, Gansu 730000, Peoples' Republic of China; Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, No. 199, Donggang West Road, Chengguan District, Lanzhou, Gansu 730000, Peoples' Republic of China. Electronic address: kehuyangebm2006@126.com.