| article html file updated | 8 February 2020 03:29 CET | Update | https://www.mdpi.com/1660-4601/14/4/409 |
| article html file updated | 24 September 2019 07:03 CEST | Update | - |
| article html file updated | 4 May 2019 02:25 CEST | Update | - |
| article html file updated | 28 April 2017 08:09 CEST | Update | - |
| article html file updated | 14 April 2017 14:38 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 14:37 CEST | Original file | https://www.mdpi.com/1660-4601/14/4/409/xml |
| article pdf uploaded. | 14 April 2017 14:37 CEST | Updated version of record | https://www.mdpi.com/1660-4601/14/4/409/pdf |
| article pdf uploaded. | 12 April 2017 14:42 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/4/409/pdf-vor |
