| article html file updated | 8 February 2020 07:35 CET | Update | https://www.mdpi.com/1424-8220/17/6/1307 |
| article html file updated | 25 September 2019 04:53 CEST | Update | - |
| article html file updated | 3 May 2019 18:45 CEST | Update | - |
| article html file updated | 30 June 2017 11:41 CEST | Update | - |
| article html file updated | 7 June 2017 07:52 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 07:51 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1307/xml |
| article pdf uploaded. | 7 June 2017 07:51 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1307/pdf |
| article pdf uploaded. | 6 June 2017 12:30 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1307/pdf-vor |
