| article html file updated | 7 February 2020 03:10 CET | Update | https://www.mdpi.com/1424-8220/16/1/74 |
| article html file updated | 6 May 2019 03:04 CEST | Update | - |
| article html file updated | 26 March 2019 17:57 CET | Original file | - |
| article pdf uploaded. | 7 January 2016 15:18 CET | Version of Record | https://www.mdpi.com/1424-8220/16/1/74/pdf |
| article xml uploaded. | 7 January 2016 15:18 CET | Original file | https://www.mdpi.com/1424-8220/16/1/74/xml |
