Chengming Luo, Wenxi Lu, Zidong Pan, Yukun Bai, Guangqi Dong
Simultaneous identification of groundwater pollution source and important hydrogeological parameters considering the noise uncertainty of observational data
Environmental science and pollution research international
longitudinal epidemiological studies considered gold standard understanding craniofacial morphologic development participant recruitment retention challenging study describes strategies used recruit maintain high level participation longitudinal study involving annual threedimensional 3d craniofacial softtissue imaging healthy taiwanese chinese elementary school students aged 6 12 years key aspects project delineation implementation initial threeyear practical experiment portrayed integrated multistep workflow ethics grantrelated issues contact approval engagement partners project school stakeholders parents didactic approach recruit students research staff composition task design three stationbased data collection days two educative activities oral hygiene psychosocial interaction stations one 3d craniofacial imaging activity reinforcement tactics sustain longitudinal annual participation first enrollment randomly selected students teachers answered experience satisfaction questionnaire fivepoint likert scale ranging one five designed assist understanding think data collection day measures frequency percentage central tendency mean adopted descriptive analysis six seven contacted schools accepted participation project parents attended explanatory meetings agreed join project cohort 676 students 336 girls participated baseline enrollment followup rate 96 second data collection average questionnairerelated scores 42 07 44 06 teachers students respectively 3d craniofacial norms benefit multidisciplinary teams managing cleftcraniofacial deformities globally distributed ethnic chinese population particularly useful phenotypic variation characterization conducting quantitative morphologic comparisons therapeutic planning outcome assessment described pathway model assist groups establish age sex ethnicspecific normative databases