| article html file updated | 8 February 2020 09:10 CET | Update | https://www.mdpi.com/1660-3397/15/7/197 |
| article html file updated | 3 May 2019 15:47 CEST | Update | - |
| article html file updated | 31 July 2017 08:21 CEST | Update | - |
| article html file updated | 28 June 2017 15:05 CEST | Original file | - |
| article xml uploaded. | 28 June 2017 14:42 CEST | Original file | https://www.mdpi.com/1660-3397/15/7/197/xml |
| article pdf uploaded. | 28 June 2017 14:42 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/7/197/pdf |
| article pdf uploaded. | 24 June 2017 11:20 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/7/197/pdf-vor |
