The classification in reproducible and not reproducible models was made by Tiwari et al.
Citations were looked up in Scopus, Web of Science and Google Scholar.
The following journals had to be excluded, as Journal Impact Factors (JIF) were missing or papers were discontinued:
- Experientia was closed 1996 and continued as Cellular and Molecular Life Sciences 1997
- The American journal of physiology – split into fields 1977, further splits in 1980 and 1989
- IFAC Proceedings Volumes – last issue ...