| article html file updated | 7 February 2020 04:18 CET | Update | https://www.mdpi.com/1424-8220/16/2/198 |
| article html file updated | 6 May 2019 00:55 CEST | Update | - |
| article html file updated | 26 March 2019 20:10 CET | Original file | - |
| article pdf uploaded. | 4 February 2016 12:51 CET | Version of Record | https://www.mdpi.com/1424-8220/16/2/198/pdf |
| article xml uploaded. | 4 February 2016 12:51 CET | Original file | https://www.mdpi.com/1424-8220/16/2/198/xml |
