| article html file updated | 7 February 2020 23:42 CET | Update | https://www.mdpi.com/1424-8220/17/2/398 |
| article html file updated | 23 September 2019 09:42 CEST | Update | - |
| article html file updated | 4 May 2019 10:38 CEST | Update | - |
| article html file updated | 2 March 2017 11:42 CET | Update | - |
| article html file updated | 18 February 2017 05:33 CET | Original file | - |
| article xml uploaded. | 18 February 2017 05:32 CET | Original file | https://www.mdpi.com/1424-8220/17/2/398/xml |
| article pdf uploaded. | 18 February 2017 05:32 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/398/pdf |
