| article html file updated | 8 February 2020 08:11 CET | Update | https://www.mdpi.com/1660-4601/14/6/634 |
| article html file updated | 25 September 2019 07:52 CEST | Update | - |
| article html file updated | 3 May 2019 17:38 CEST | Update | - |
| article html file updated | 28 June 2017 13:13 CEST | Update | - |
| article html file updated | 13 June 2017 12:49 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 12:48 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/634/xml |
| article pdf uploaded. | 13 June 2017 12:48 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/634/pdf |
