| article html file updated | 7 February 2020 20:02 CET | Update | https://www.mdpi.com/1660-3397/14/12/234 |
| article html file updated | 22 September 2019 13:45 CEST | Update | - |
| article html file updated | 4 May 2019 18:21 CEST | Update | - |
| article html file updated | 28 December 2016 05:15 CET | Update | - |
| article html file updated | 21 December 2016 10:38 CET | Original file | - |
| article xml uploaded. | 21 December 2016 10:37 CET | Original file | https://www.mdpi.com/1660-3397/14/12/234/xml |
| article pdf uploaded. | 21 December 2016 10:37 CET | Version of Record | https://www.mdpi.com/1660-3397/14/12/234/pdf |
