| article html file updated | 8 February 2020 07:02 CET | Update | https://www.mdpi.com/1424-8220/17/6/1240 |
| article html file updated | 25 September 2019 02:05 CEST | Update | - |
| article html file updated | 3 May 2019 19:48 CEST | Update | - |
| article html file updated | 30 June 2017 11:34 CEST | Update | - |
| article html file updated | 5 June 2017 14:50 CEST | Original file | - |
| article xml uploaded. | 5 June 2017 14:49 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1240/xml |
| article pdf uploaded. | 5 June 2017 14:48 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1240/pdf |
| article pdf uploaded. | 30 May 2017 15:18 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1240/pdf-vor |
