| article html file updated | 8 February 2020 16:15 CET | Update | https://www.mdpi.com/1424-8220/17/9/2118 |
| article html file updated | 27 September 2019 03:50 CEST | Update | N/A |
| article html file updated | 3 May 2019 01:52 CEST | Update | N/A |
| article html file updated | 30 September 2017 15:05 CEST | Update | N/A |
| article html file updated | 15 September 2017 07:52 CEST | Original file | N/A |
| article xml uploaded. | 15 September 2017 07:51 CEST | Update | https://www.mdpi.com/1424-8220/17/9/2118/xml |
| article xml uploaded. | 15 September 2017 07:51 CEST | Original file | N/A |
| article pdf uploaded. | 15 September 2017 07:51 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/2118/pdf |
