| article html file updated | 7 February 2020 23:48 CET | Update | https://www.mdpi.com/1424-8220/17/2/409 |
| article html file updated | 23 September 2019 10:14 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:26 CEST | Update | N/A |
| article html file updated | 2 March 2017 11:44 CET | Update | N/A |
| article html file updated | 20 February 2017 11:56 CET | Original file | N/A |
| article xml uploaded. | 20 February 2017 11:55 CET | Original file | https://www.mdpi.com/1424-8220/17/2/409/xml |
| article pdf uploaded. | 20 February 2017 11:55 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/409/pdf |
