| article html file updated | 8 February 2020 06:59 CET | Update | https://www.mdpi.com/1424-8220/17/6/1246 |
| article html file updated | 25 September 2019 01:47 CEST | Update | - |
| article html file updated | 3 May 2019 19:53 CEST | Update | - |
| article html file updated | 30 June 2017 11:34 CEST | Update | - |
| article html file updated | 2 June 2017 13:59 CEST | Original file | - |
| article xml uploaded. | 2 June 2017 13:57 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1246/xml |
| article pdf uploaded. | 2 June 2017 13:57 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1246/pdf |
| article pdf uploaded. | 30 May 2017 11:19 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1246/pdf-vor |
