| article html file updated | 7 February 2020 17:48 CET | Update | https://www.mdpi.com/1999-4915/8/11/306 |
| article html file updated | 4 May 2019 22:55 CEST | Update | - |
| article html file updated | 30 November 2016 05:04 CET | Update | - |
| article html file updated | 10 November 2016 09:45 CET | Original file | - |
| article xml uploaded. | 10 November 2016 09:43 CET | Update | https://www.mdpi.com/1999-4915/8/11/306/xml |
| article xml uploaded. | 10 November 2016 09:43 CET | Original file | - |
| article pdf uploaded. | 10 November 2016 09:43 CET | Version of Record | https://www.mdpi.com/1999-4915/8/11/306/pdf |
