| article html file updated | 8 February 2020 06:48 CET | Update | https://www.mdpi.com/1424-8220/17/6/1224 |
| article html file updated | 25 September 2019 00:50 CEST | Update | - |
| article html file updated | 3 May 2019 20:14 CEST | Update | - |
| article html file updated | 30 June 2017 22:27 CEST | Update | - |
| article html file updated | 2 June 2017 14:24 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 14:22 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1224/xml |
| article pdf uploaded. | 2 June 2017 14:22 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1224/pdf |
| article pdf uploaded. | 26 May 2017 11:50 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1224/pdf-vor |
