| article html file updated | 7 February 2020 07:24 CET | Update | https://www.mdpi.com/1660-3397/14/4/71 |
| article html file updated | 5 May 2019 18:21 CEST | Update | - |
| article html file updated | 27 March 2019 02:09 CET | Update | - |
| article html file updated | 28 April 2016 13:46 CEST | Update | - |
| article html file updated | 18 April 2016 09:05 CEST | Original file | - |
| article xml uploaded. | 18 April 2016 09:03 CEST | Update | https://www.mdpi.com/1660-3397/14/4/71/xml |
| article pdf uploaded. | 18 April 2016 09:03 CEST | Version of Record | https://www.mdpi.com/1660-3397/14/4/71/pdf |
