| article html file updated | 8 February 2020 08:50 CET | Update | https://www.mdpi.com/1424-8220/17/6/1455 |
| article html file updated | 25 September 2019 11:15 CEST | Update | - |
| article html file updated | 3 May 2019 16:26 CEST | Update | - |
| article html file updated | 30 June 2017 12:07 CEST | Update | - |
| article html file updated | 23 June 2017 06:55 CEST | Update | - |
| article xml uploaded. | 23 June 2017 06:54 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1455/xml |
| article pdf uploaded. | 23 June 2017 06:54 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1455/pdf |
| article html file updated | 21 June 2017 16:25 CEST | Original file | - |
| article pdf uploaded. | 21 June 2017 16:24 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1455/pdf-vor |
