| article html file updated | 8 February 2020 03:51 CET | Update | https://www.mdpi.com/1996-1944/10/4/426 |
| article html file updated | 24 September 2019 09:23 CEST | Update | - |
| article html file updated | 4 May 2019 01:42 CEST | Update | - |
| article html file updated | 28 April 2017 09:29 CEST | Update | - |
| article html file updated | 19 April 2017 08:33 CEST | Original file | - |
| article xml uploaded. | 19 April 2017 08:32 CEST | Update | https://www.mdpi.com/1996-1944/10/4/426/xml |
| article pdf uploaded. | 19 April 2017 08:32 CEST | Updated version of record | https://www.mdpi.com/1996-1944/10/4/426/pdf |
| article pdf uploaded. | 18 April 2017 15:53 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/4/426/pdf-vor |
