| article html file updated | 8 February 2020 06:48 CET | Update | https://www.mdpi.com/1660-4601/14/6/561 |
| article html file updated | 25 September 2019 00:51 CEST | Update | - |
| article html file updated | 3 May 2019 20:14 CEST | Update | - |
| article html file updated | 28 June 2017 13:06 CEST | Update | - |
| article html file updated | 26 May 2017 13:38 CEST | Original file | - |
| article xml uploaded. | 26 May 2017 13:37 CEST | Update | https://www.mdpi.com/1660-4601/14/6/561/xml |
| article pdf uploaded. | 26 May 2017 13:37 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/561/pdf |
