| article html file updated | 8 February 2020 03:21 CET | Update | https://www.mdpi.com/1660-4601/14/4/404 |
| article html file updated | 24 September 2019 06:27 CEST | Update | - |
| article html file updated | 4 May 2019 02:39 CEST | Update | - |
| article html file updated | 28 April 2017 08:08 CEST | Update | - |
| article html file updated | 11 April 2017 12:38 CEST | Original file | - |
| article xml uploaded. | 11 April 2017 12:37 CEST | Original file | https://www.mdpi.com/1660-4601/14/4/404/xml |
| article pdf uploaded. | 11 April 2017 12:37 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/4/404/pdf |
