| article html file updated | 8 February 2020 15:09 CET | Update | https://www.mdpi.com/1996-1944/10/9/1020 |
| article html file updated | 26 September 2019 21:56 CEST | Update | - |
| article html file updated | 3 May 2019 03:53 CEST | Update | - |
| article html file updated | 30 September 2017 09:06 CEST | Update | - |
| article html file updated | 2 September 2017 09:05 CEST | Original file | - |
| article xml uploaded. | 2 September 2017 09:03 CEST | Update | https://www.mdpi.com/1996-1944/10/9/1020/xml |
| article xml uploaded. | 2 September 2017 09:03 CEST | Original file | - |
| article pdf uploaded. | 2 September 2017 09:03 CEST | Version of Record | https://www.mdpi.com/1996-1944/10/9/1020/pdf |
