| article html file updated | 7 February 2020 16:12 CET | Update | https://www.mdpi.com/2218-0532/84/4/634 |
| article html file updated | 22 September 2019 02:33 CEST | Update | - |
| article html file updated | 5 May 2019 01:57 CEST | Update | - |
| article html file updated | 30 December 2016 02:03 CET | Update | - |
| article html file updated | 11 October 2016 16:41 CEST | Original file | - |
| article xml uploaded. | 11 October 2016 16:40 CEST | Update | https://www.mdpi.com/2218-0532/84/4/634/xml |
| article xml uploaded. | 11 October 2016 16:40 CEST | Original file | - |
| article pdf uploaded. | 11 October 2016 16:40 CEST | Version of Record | https://www.mdpi.com/2218-0532/84/4/634/pdf |
