| article html file updated | 7 February 2020 23:08 CET | Update | https://www.mdpi.com/1424-8220/17/2/349 |
| article html file updated | 23 September 2019 06:35 CEST | Update | - |
| article html file updated | 4 May 2019 11:45 CEST | Update | - |
| article html file updated | 2 March 2017 11:33 CET | Update | - |
| article html file updated | 14 February 2017 08:26 CET | Original file | - |
| article xml uploaded. | 14 February 2017 08:25 CET | Original file | https://www.mdpi.com/1424-8220/17/2/349/xml |
| article pdf uploaded. | 14 February 2017 08:25 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/2/349/pdf |
| article pdf uploaded. | 10 February 2017 16:19 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/349/pdf-vor |
