| article html file updated | 8 February 2020 08:24 CET | Update | https://www.mdpi.com/1424-8220/17/6/1397 |
| article html file updated | 25 September 2019 09:05 CEST | Update | - |
| article html file updated | 3 May 2019 17:15 CEST | Update | - |
| article html file updated | 30 June 2017 11:55 CEST | Update | - |
| article html file updated | 15 June 2017 13:53 CEST | Original file | - |
| article xml uploaded. | 15 June 2017 13:51 CEST | Update | https://www.mdpi.com/1424-8220/17/6/1397/xml |
| article pdf uploaded. | 15 June 2017 13:51 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1397/pdf |
