| article html file updated | 8 February 2020 16:03 CET | Update | https://www.mdpi.com/1424-8220/17/9/2099 |
| article html file updated | 27 September 2019 02:43 CEST | Update | - |
| article html file updated | 3 May 2019 02:14 CEST | Update | - |
| article html file updated | 30 September 2017 15:01 CEST | Update | - |
| article html file updated | 13 September 2017 12:39 CEST | Original file | - |
| article xml uploaded. | 13 September 2017 12:38 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2099/xml |
| article xml uploaded. | 13 September 2017 12:38 CEST | Original file | - |
| article pdf uploaded. | 13 September 2017 12:38 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2099/pdf |
