| article html file updated | 8 February 2020 08:11 CET | Update | https://www.mdpi.com/1660-4601/14/6/631 |
| article html file updated | 25 September 2019 07:51 CEST | Update | - |
| article html file updated | 3 May 2019 17:39 CEST | Update | - |
| article html file updated | 28 June 2017 13:13 CEST | Update | - |
| article html file updated | 13 June 2017 12:53 CEST | Original file | - |
| article xml uploaded. | 13 June 2017 12:52 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/631/xml |
| article pdf uploaded. | 13 June 2017 12:52 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/631/pdf |
