| article html file updated | 5 February 2020 12:45 CET | Update | https://www.mdpi.com/1999-4893/2/4/1301 |
| article html file updated | 9 May 2019 10:09 CEST | Update | - |
| article html file updated | 19 March 2019 20:00 CET | Update | - |
| article html file updated | 18 July 2017 07:46 CEST | Update | - |
| article html file updated | 18 July 2017 07:45 CEST | Update | - |
| article html file updated | 18 July 2017 07:44 CEST | Original file | - |
| article xml uploaded. | 18 July 2017 07:43 CEST | Original file | https://www.mdpi.com/1999-4893/2/4/1301/xml |
