| article html file updated | 7 February 2020 03:25 CET | Update | https://www.mdpi.com/2072-6694/8/1/16 |
| article html file updated | 6 May 2019 02:37 CEST | Update | - |
| article html file updated | 26 March 2019 18:25 CET | Original file | - |
| article pdf uploaded. | 14 January 2016 12:18 CET | Version of Record | https://www.mdpi.com/2072-6694/8/1/16/pdf |
| article xml uploaded. | 14 January 2016 12:18 CET | Original file | https://www.mdpi.com/2072-6694/8/1/16/xml |
