| article html file updated | 8 February 2020 08:31 CET | Update | https://www.mdpi.com/1660-4601/14/6/648 |
| article html file updated | 25 September 2019 09:39 CEST | Update | - |
| article html file updated | 3 May 2019 17:01 CEST | Update | - |
| article html file updated | 28 June 2017 13:15 CEST | Update | - |
| article html file updated | 19 June 2017 11:26 CEST | Original file | - |
| article xml uploaded. | 19 June 2017 11:25 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/648/xml |
| article pdf uploaded. | 19 June 2017 11:25 CEST | Updated version of record | https://www.mdpi.com/1660-4601/14/6/648/pdf |
| article pdf uploaded. | 16 June 2017 13:43 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/648/pdf-vor |
