| article html file updated | 9 February 2020 11:27 CET | Update | https://www.mdpi.com/1996-1944/11/4/503 |
| article html file updated | 2 October 2019 00:33 CEST | Update | - |
| article html file updated | 1 May 2019 08:18 CEST | Update | - |
| article html file updated | 17 April 2019 08:14 CEST | Update | - |
| article html file updated | 29 March 2019 10:16 CET | Update | - |
| article html file updated | 2 May 2018 13:48 CEST | Update | - |
| article html file updated | 27 March 2018 17:03 CEST | Original file | - |
| article xml uploaded. | 27 March 2018 15:23 CEST | Update | https://www.mdpi.com/1996-1944/11/4/503/xml |
| article pdf uploaded. | 27 March 2018 15:23 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/4/503/pdf |
