| article html file updated | 8 February 2020 08:47 CET | Update | https://www.mdpi.com/1424-8220/17/6/1449 |
| article html file updated | 25 September 2019 11:01 CEST | Update | - |
| article html file updated | 3 May 2019 16:31 CEST | Update | - |
| article html file updated | 30 June 2017 12:05 CEST | Update | - |
| article html file updated | 20 June 2017 13:00 CEST | Original file | - |
| article xml uploaded. | 20 June 2017 12:59 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1449/xml |
| article pdf uploaded. | 20 June 2017 12:59 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1449/pdf |
