| article html file updated | 8 February 2020 08:15 CET | Update | https://www.mdpi.com/1660-4601/14/6/637 |
| article html file updated | 25 September 2019 08:13 CEST | Update | - |
| article html file updated | 3 May 2019 17:32 CEST | Update | - |
| article html file updated | 28 June 2017 13:14 CEST | Update | - |
| article html file updated | 14 June 2017 14:31 CEST | Original file | - |
| article xml uploaded. | 14 June 2017 14:30 CEST | Original file | https://www.mdpi.com/1660-4601/14/6/637/xml |
| article pdf uploaded. | 14 June 2017 14:30 CEST | Version of Record | https://www.mdpi.com/1660-4601/14/6/637/pdf |
