| article html file updated | 8 February 2020 15:45 CET | Update | https://www.mdpi.com/1424-8220/17/9/2069 |
| article html file updated | 27 September 2019 01:05 CEST | Update | - |
| article html file updated | 3 May 2019 02:48 CEST | Update | - |
| article html file updated | 30 September 2017 14:54 CEST | Update | - |
| article html file updated | 9 September 2017 09:02 CEST | Original file | - |
| article xml uploaded. | 9 September 2017 09:01 CEST | Original file | https://www.mdpi.com/1424-8220/17/9/2069/xml |
| article pdf uploaded. | 9 September 2017 09:01 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2069/pdf |
