| article html file updated | 9 February 2020 11:27 CET | Update | https://www.mdpi.com/1996-1944/11/4/502 |
| 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 10:15 CET | Update | - |
| article html file updated | 2 May 2018 13:48 CEST | Update | - |
| article html file updated | 27 March 2018 17:04 CEST | Update | - |
| article html file updated | 27 March 2018 17:02 CEST | Original file | - |
| article xml uploaded. | 27 March 2018 15:34 CEST | Update | https://www.mdpi.com/1996-1944/11/4/502/xml |
| article pdf uploaded. | 27 March 2018 15:34 CEST | Updated version of record | https://www.mdpi.com/1996-1944/11/4/502/pdf |
