| article html file updated | 7 February 2020 22:44 CET | Update | https://www.mdpi.com/1424-8220/17/2/297 |
| article html file updated | 23 September 2019 04:21 CEST | Update | - |
| article html file updated | 4 May 2019 12:34 CEST | Update | - |
| article html file updated | 2 March 2017 11:21 CET | Update | - |
| article html file updated | 6 February 2017 11:15 CET | Original file | - |
| article xml uploaded. | 6 February 2017 11:14 CET | Update | https://www.mdpi.com/1424-8220/17/2/297/xml |
| article xml uploaded. | 6 February 2017 11:14 CET | Original file | - |
| article pdf uploaded. | 6 February 2017 11:14 CET | Version of Record | https://www.mdpi.com/1424-8220/17/2/297/pdf |
