| article html file updated | 8 February 2020 07:38 CET | Update | https://www.mdpi.com/1660-4601/14/6/606 |
| article html file updated | 25 September 2019 05:05 CEST | Update | - |
| article html file updated | 3 May 2019 18:41 CEST | Update | - |
| article html file updated | 28 June 2017 13:11 CEST | Update | - |
| article html file updated | 6 June 2017 16:44 CEST | Original file | - |
| article xml uploaded. | 6 June 2017 16:42 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/606/xml |
| article pdf uploaded. | 6 June 2017 16:42 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/606/pdf |
