| article html file updated | 8 February 2020 15:14 CET | Update | https://www.mdpi.com/1424-8220/17/9/2023 |
| article html file updated | 26 September 2019 22:22 CEST | Update | N/A |
| article html file updated | 3 May 2019 03:44 CEST | Update | N/A |
| article html file updated | 30 September 2017 14:46 CEST | Update | N/A |
| article html file updated | 4 September 2017 11:25 CEST | Original file | N/A |
| article xml uploaded. | 4 September 2017 11:24 CEST | Original file | https://www.mdpi.com/1424-8220/17/9/2023/xml |
| article pdf uploaded. | 4 September 2017 11:24 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2023/pdf |
