| article html file updated | 6 February 2020 10:22 CET | Update | https://www.mdpi.com/1999-4915/6/7/2551 |
| article html file updated | 20 September 2019 09:55 CEST | Update | - |
| article html file updated | 7 May 2019 12:17 CEST | Update | - |
| article html file updated | 21 March 2019 19:57 CET | Update | - |
| article html file updated | 20 August 2015 11:28 CEST | Update | - |
| article pdf uploaded. | 31 March 2015 15:54 CEST | Updated version of record | https://www.mdpi.com/1999-4915/6/7/2551/pdf |
| Addendum published | 31 March 2015 00:00 CEST | Addendum | http://www.mdpi.com/1999-4915/7/4/1667 |
| article html file updated | 29 July 2014 11:04 CEST | Original file | - |
| article xml file uploaded | 29 July 2014 11:04 CEST | Original file | https://www.mdpi.com/1999-4915/6/7/2551/xml |
| article pdf uploaded. | 1 July 2014 12:05 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/7/2551/pdf-vor |
