| article html file updated | 7 February 2020 04:24 CET | Update | https://www.mdpi.com/1424-8220/16/2/210 |
| article html file updated | 6 May 2019 00:43 CEST | Update | - |
| article html file updated | 26 March 2019 20:22 CET | Original file | - |
| article pdf uploaded. | 6 February 2016 08:14 CET | Version of Record | https://www.mdpi.com/1424-8220/16/2/210/pdf |
| article xml uploaded. | 6 February 2016 08:14 CET | Original file | https://www.mdpi.com/1424-8220/16/2/210/xml |
