| article html file updated | 8 February 2020 06:43 CET | Update | https://www.mdpi.com/1424-8220/17/6/1213 |
| article html file updated | 25 September 2019 00:29 CEST | Update | - |
| article html file updated | 3 May 2019 20:22 CEST | Update | - |
| article html file updated | 30 June 2017 22:26 CEST | Update | - |
| article html file updated | 26 May 2017 12:36 CEST | Original file | - |
| article xml uploaded. | 26 May 2017 12:35 CEST | Original file | https://www.mdpi.com/1424-8220/17/6/1213/xml |
| article pdf uploaded. | 26 May 2017 12:35 CEST | Updated version of record | https://www.mdpi.com/1424-8220/17/6/1213/pdf |
| article pdf uploaded. | 25 May 2017 14:35 CEST | Version of Record | https://www.mdpi.com/1424-8220/17/6/1213/pdf-vor |
