| article html file updated | 7 February 2020 21:45 CET | Update | https://www.mdpi.com/1424-8220/17/1/181 |
| article html file updated | 22 September 2019 23:00 CEST | Update | - |
| article html file updated | 4 May 2019 14:34 CEST | Update | - |
| article html file updated | 8 February 2017 10:02 CET | Update | - |
| article html file updated | 19 January 2017 05:42 CET | Original file | - |
| article xml uploaded. | 19 January 2017 05:41 CET | Original file | https://www.mdpi.com/1424-8220/17/1/181/xml |
| article pdf uploaded. | 19 January 2017 05:41 CET | Version of Record | https://www.mdpi.com/1424-8220/17/1/181/pdf |
