| article html file updated | 8 February 2020 14:14 CET | Update | https://www.mdpi.com/1424-8220/17/9/1939 |
| article html file updated | 26 September 2019 16:50 CEST | Update | N/A |
| article html file updated | 3 May 2019 05:37 CEST | Update | N/A |
| article html file updated | 30 September 2017 15:14 CEST | Update | N/A |
| article html file updated | 20 September 2017 17:13 CEST | Update | N/A |
| article xml uploaded. | 20 September 2017 17:12 CEST | Update | https://www.mdpi.com/1424-8220/17/9/1939/xml |
| article pdf uploaded. | 20 September 2017 17:12 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/1939/pdf |
| article html file updated | 24 August 2017 03:27 CEST | Original file | N/A |
| article xml uploaded. | 24 August 2017 03:25 CEST | Update | N/A |
| article xml uploaded. | 24 August 2017 03:25 CEST | Original file | N/A |
| article pdf uploaded. | 24 August 2017 03:25 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/9/1939/pdf-vor |
| article pdf uploaded. | 23 August 2017 15:45 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/9/1939/pdf-vor |
