TY  - GEN
AU  - Erren,Thomas C
AU  - Westermann,Inga K
AU  - Groß,Valérie J
AU  - Morfeld,Peter
AU  - Reiter,Russel J
TI  - Longitudinal Data Are Needed
SN  - 1866-0452
PY  - 2018///0116
KW  - Longitudinal Studies
KW  - Research Design
N1  - Publication Type: Letter; Comment
UR  - https://doi.org/10.3238/arztebl.2016.0615a
ER  -