| article html file updated | 8 February 2020 03:00 CET | Update | https://www.mdpi.com/1660-3397/15/4/110 |
| article html file updated | 24 September 2019 04:30 CEST | Update | - |
| article html file updated | 4 May 2019 03:22 CEST | Update | - |
| article html file updated | 28 April 2017 08:23 CEST | Update | - |
| article html file updated | 12 April 2017 14:31 CEST | Update | - |
| article xml uploaded. | 12 April 2017 14:29 CEST | Update | https://www.mdpi.com/1660-3397/15/4/110/xml |
| article pdf uploaded. | 12 April 2017 14:29 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/4/110/pdf |
| article html file updated | 7 April 2017 12:39 CEST | Original file | - |
| article pdf uploaded. | 7 April 2017 12:37 CEST | Updated version of record | https://www.mdpi.com/1660-3397/15/4/110/pdf-vor |
| article pdf uploaded. | 6 April 2017 10:41 CEST | Version of Record | https://www.mdpi.com/1660-3397/15/4/110/pdf-vor |
