| article html file updated | 8 February 2020 15:44 CET | Update | https://www.mdpi.com/1424-8220/17/9/2059 |
| article html file updated | 27 September 2019 01:02 CEST | Update | - |
| article html file updated | 3 May 2019 02:48 CEST | Update | - |
| article html file updated | 30 September 2017 14:52 CEST | Update | - |
| article html file updated | 10 September 2017 06:10 CEST | Original file | - |
| article xml uploaded. | 10 September 2017 06:09 CEST | Original file | https://www.mdpi.com/1424-8220/17/9/2059/xml |
| article pdf uploaded. | 10 September 2017 06:09 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/2059/pdf |
| article pdf uploaded. | 8 September 2017 15:49 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2059/pdf-vor |
