| article html file updated | 8 February 2020 06:56 CET | Update | https://www.mdpi.com/1660-4601/14/6/571 |
| article html file updated | 25 September 2019 01:31 CEST | Update | - |
| article html file updated | 3 May 2019 20:00 CEST | Update | - |
| article html file updated | 28 June 2017 13:08 CEST | Update | - |
| article html file updated | 28 May 2017 09:46 CEST | Original file | - |
| article xml uploaded. | 28 May 2017 09:45 CEST | Update | https://www.mdpi.com/1660-4601/14/6/571/xml |
| article pdf uploaded. | 28 May 2017 09:45 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/571/pdf |
