| article html file updated | 7 February 2020 22:09 CET | Update | https://www.mdpi.com/1424-8220/17/2/223 |
| article html file updated | 23 September 2019 01:07 CEST | Update | - |
| article html file updated | 4 May 2019 13:45 CEST | Update | - |
| article html file updated | 2 March 2017 11:01 CET | Update | - |
| article html file updated | 24 January 2017 11:15 CET | Original file | - |
| article xml uploaded. | 24 January 2017 11:13 CET | Update | https://www.mdpi.com/1424-8220/17/2/223/xml |
| article xml uploaded. | 24 January 2017 11:13 CET | Original file | - |
| article pdf uploaded. | 24 January 2017 11:13 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/223/pdf |
