| article html file updated | 8 February 2020 16:12 CET | Update | https://www.mdpi.com/1424-8220/17/9/2108 |
| article html file updated | 27 September 2019 03:36 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:57 CEST | Update | N/A |
| article html file updated | 30 September 2017 15:03 CEST | Update | N/A |
| article html file updated | 14 September 2017 12:57 CEST | Original file | N/A |
| article xml uploaded. | 14 September 2017 12:56 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2108/xml |
| article xml uploaded. | 14 September 2017 12:56 CEST | Original file | N/A |
| article pdf uploaded. | 14 September 2017 12:56 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2108/pdf |
