| article html file updated | 9 February 2020 02:01 CET | Update | https://www.mdpi.com/1996-1944/11/1/72 |
| article html file updated | 29 September 2019 16:19 CEST | Update | - |
| article html file updated | 2 May 2019 04:23 CEST | Update | - |
| article html file updated | 18 April 2019 02:28 CEST | Update | - |
| article html file updated | 28 March 2019 13:09 CET | Update | - |
| article html file updated | 1 February 2018 14:28 CET | Update | - |
| article html file updated | 4 January 2018 16:05 CET | Original file | - |
| article xml uploaded. | 4 January 2018 16:03 CET | Update | https://www.mdpi.com/1996-1944/11/1/72/xml |
| article pdf uploaded. | 4 January 2018 16:03 CET | Version of Record | https://www.mdpi.com/1996-1944/11/1/72/pdf |
