| article html file updated | 7 February 2020 21:38 CET | Update | https://www.mdpi.com/1996-1944/10/1/72 |
| article html file updated | 22 September 2019 22:21 CEST | Update | - |
| article html file updated | 4 May 2019 14:49 CEST | Update | - |
| article html file updated | 23 February 2017 02:44 CET | Update | - |
| article html file updated | 8 February 2017 09:26 CET | Update | - |
| article html file updated | 17 January 2017 12:37 CET | Original file | - |
| article xml uploaded. | 17 January 2017 12:36 CET | Original file | https://www.mdpi.com/1996-1944/10/1/72/xml |
| article pdf uploaded. | 17 January 2017 12:36 CET | Version of Record | https://www.mdpi.com/1996-1944/10/1/72/pdf |
