| article html file updated | 8 February 2020 03:05 CET | Update | https://www.mdpi.com/1424-8220/17/4/794 |
| article html file updated | 24 September 2019 05:04 CEST | Update | - |
| article html file updated | 4 May 2019 03:11 CEST | Update | - |
| article html file updated | 29 April 2017 13:58 CEST | Update | - |
| article html file updated | 11 April 2017 14:32 CEST | Original file | - |
| article xml uploaded. | 11 April 2017 14:30 CEST | Update | https://www.mdpi.com/1424-8220/17/4/794/xml |
| article pdf uploaded. | 11 April 2017 14:30 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/4/794/pdf |
| article pdf uploaded. | 7 April 2017 16:36 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/4/794/pdf-vor |
