| article html file updated | 7 February 2020 16:35 CET | Update | https://www.mdpi.com/2218-0532/84/4/694 |
| article html file updated | 22 September 2019 03:20 CEST | Update | - |
| article html file updated | 5 May 2019 01:13 CEST | Update | - |
| article html file updated | 30 December 2016 02:05 CET | Update | - |
| article html file updated | 18 October 2016 16:37 CEST | Original file | - |
| article xml uploaded. | 18 October 2016 16:36 CEST | Original file | https://www.mdpi.com/2218-0532/84/4/694/xml |
| article pdf uploaded. | 18 October 2016 16:36 CEST | Version of Record | https://www.mdpi.com/2218-0532/84/4/694/pdf |
