| article html file updated | 8 February 2020 08:43 CET | Update | https://www.mdpi.com/1424-8220/17/6/1442 |
| article html file updated | 25 September 2019 10:42 CEST | Update | N/A |
| article html file updated | 3 May 2019 16:37 CEST | Update | N/A |
| article html file updated | 30 June 2017 12:04 CEST | Update | N/A |
| article html file updated | 20 June 2017 08:05 CEST | Original file | N/A |
| article xml uploaded. | 20 June 2017 08:04 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1442/xml |
| article pdf uploaded. | 20 June 2017 08:04 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1442/pdf |
