| article html file updated | 7 February 2020 21:23 CET | Update | https://www.mdpi.com/1996-1944/10/1/63 |
| article html file updated | 22 September 2019 20:54 CEST | Update | - |
| article html file updated | 4 May 2019 15:29 CEST | Update | - |
| article html file updated | 23 February 2017 02:42 CET | Update | - |
| article html file updated | 8 February 2017 09:22 CET | Update | - |
| article html file updated | 19 January 2017 08:45 CET | Update | - |
| article html file updated | 19 January 2017 08:45 CET | Original file | - |
| article xml uploaded. | 19 January 2017 08:44 CET | Update | https://www.mdpi.com/1996-1944/10/1/63/xml |
| article pdf uploaded. | 19 January 2017 08:44 CET | Updated version of record | https://www.mdpi.com/1996-1944/10/1/63/pdf |
| article xml uploaded. | 19 January 2017 08:44 CET | Original file | - |
| article pdf uploaded. | 19 January 2017 08:44 CET | Version of Record | https://www.mdpi.com/1996-1944/10/1/63/pdf-vor |
