| article html file updated | 8 February 2020 08:19 CET | Update | https://www.mdpi.com/1660-4601/14/6/639 |
| article html file updated | 25 September 2019 08:34 CEST | Update | - |
| article html file updated | 3 May 2019 17:25 CEST | Update | - |
| article html file updated | 28 June 2017 13:14 CEST | Update | - |
| article html file updated | 14 June 2017 14:16 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 14:15 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/639/xml |
| article pdf uploaded. | 14 June 2017 14:15 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/639/pdf |
