| article html file updated | 7 February 2020 16:50 CET | Update | https://www.mdpi.com/1999-4915/8/10/291 |
| article html file updated | 5 May 2019 00:44 CEST | Update | - |
| article html file updated | 31 October 2016 06:54 CET | Update | - |
| article html file updated | 22 October 2016 12:10 CEST | Original file | - |
| article xml uploaded. | 22 October 2016 12:09 CEST | Update | https://www.mdpi.com/1999-4915/8/10/291/xml |
| article xml uploaded. | 22 October 2016 12:09 CEST | Original file | - |
| article pdf uploaded. | 22 October 2016 12:09 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/10/291/pdf |
