| article html file updated | 5 February 2020 12:52 CET | Update | https://www.mdpi.com/2071-1050/1/4/994 |
| article html file updated | 9 May 2019 09:53 CEST | Update | - |
| article html file updated | 19 March 2019 20:21 CET | Update | - |
| article html file updated | 20 July 2017 09:05 CEST | Update | - |
| article html file updated | 20 July 2017 09:03 CEST | Update | - |
| article html file updated | 20 July 2017 09:03 CEST | Original file | - |
| article xml uploaded. | 20 July 2017 09:01 CEST | Original file | https://www.mdpi.com/2071-1050/1/4/994/xml |
