| article html file updated | 7 February 2020 08:14 CET | Update | https://www.mdpi.com/1996-1944/9/5/340 |
| article html file updated | 5 May 2019 16:41 CEST | Update | - |
| article html file updated | 27 March 2019 03:51 CET | Update | - |
| article html file updated | 27 May 2016 08:14 CEST | Update | - |
| article html file updated | 5 May 2016 12:48 CEST | Original file | - |
| article xml uploaded. | 5 May 2016 12:47 CEST | Original file | https://www.mdpi.com/1996-1944/9/5/340/xml |
| article pdf uploaded. | 5 May 2016 12:47 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/5/340/pdf |
