| article html file updated | 7 February 2020 07:15 CET | Update | https://www.mdpi.com/1996-1944/9/4/287 |
| article html file updated | 5 May 2019 18:40 CEST | Update | - |
| article html file updated | 27 March 2019 01:51 CET | Update | - |
| article html file updated | 28 April 2016 11:06 CEST | Update | - |
| article html file updated | 14 April 2016 09:55 CEST | Original file | - |
| article xml uploaded. | 14 April 2016 09:54 CEST | Original file | https://www.mdpi.com/1996-1944/9/4/287/xml |
| article pdf uploaded. | 14 April 2016 09:54 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/4/287/pdf |
