| article html file updated | 7 February 2020 04:18 CET | Update | https://www.mdpi.com/1424-8220/16/2/197 |
| 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. | 19 February 2016 11:07 CET | Updated version of record | https://www.mdpi.com/1424-8220/16/2/197/pdf |
| article pdf uploaded. | 4 February 2016 13:02 CET | Version of Record | https://www.mdpi.com/1424-8220/16/2/197/pdf-vor |
| article xml uploaded. | 4 February 2016 13:02 CET | Original file | https://www.mdpi.com/1424-8220/16/2/197/xml |
