| article html file updated | 8 February 2020 02:50 CET | Update | https://www.mdpi.com/1424-8220/17/4/760 |
| article html file updated | 24 September 2019 03:41 CEST | Update | - |
| article html file updated | 4 May 2019 03:44 CEST | Update | - |
| article html file updated | 29 April 2017 13:50 CEST | Update | - |
| article html file updated | 6 April 2017 12:38 CEST | Original file | - |
| article xml uploaded. | 6 April 2017 12:37 CEST | Original file | https://www.mdpi.com/1424-8220/17/4/760/xml |
| article pdf uploaded. | 6 April 2017 12:37 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/760/pdf |
| article pdf uploaded. | 3 April 2017 10:06 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/760/pdf-vor |
