| article html file updated | 7 February 2020 17:32 CET | Update | https://www.mdpi.com/1999-4915/8/11/301 |
| article html file updated | 4 May 2019 23:26 CEST | Update | - |
| article html file updated | 30 November 2016 05:03 CET | Update | - |
| article html file updated | 4 November 2016 11:24 CET | Original file | - |
| article xml uploaded. | 4 November 2016 11:23 CET | Update | https://www.mdpi.com/1999-4915/8/11/301/xml |
| article xml uploaded. | 4 November 2016 11:23 CET | Original file | - |
| article pdf uploaded. | 4 November 2016 11:23 CET | Version of Record | https://www.mdpi.com/1999-4915/8/11/301/pdf |
