| article html file updated | 8 February 2020 08:45 CET | Update | https://www.mdpi.com/1424-8220/17/6/1450 |
| article html file updated | 25 September 2019 10:50 CEST | Update | - |
| article html file updated | 3 May 2019 16:34 CEST | Update | - |
| article html file updated | 30 June 2017 12:06 CEST | Update | - |
| article html file updated | 21 June 2017 10:16 CEST | Original file | - |
| article xml uploaded. | 21 June 2017 10:14 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1450/xml |
| article pdf uploaded. | 21 June 2017 10:14 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1450/pdf |
| article pdf uploaded. | 20 June 2017 13:22 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1450/pdf-vor |
