| article html file updated | 5 February 2020 12:51 CET | Update | https://www.mdpi.com/2071-1050/1/4/946 |
| article html file updated | 9 May 2019 09:54 CEST | Update | - |
| article html file updated | 19 March 2019 20:20 CET | Update | - |
| article html file updated | 20 July 2017 08:59 CEST | Update | - |
| article html file updated | 20 July 2017 08:58 CEST | Update | - |
| article html file updated | 20 July 2017 08:57 CEST | Original file | - |
| article xml uploaded. | 20 July 2017 08:56 CEST | Original file | https://www.mdpi.com/2071-1050/1/4/946/xml |
