| article html file updated | 6 February 2020 07:39 CET | Update | https://www.mdpi.com/1999-4915/6/3/1037 |
| article html file updated | 7 May 2019 17:50 CEST | Update | - |
| article html file updated | 21 March 2019 13:18 CET | Update | - |
| article html file updated | 19 August 2015 22:21 CEST | Update | - |
| article html file updated | 28 April 2014 11:26 CEST | Original file | - |
| article xml file uploaded | 28 April 2014 11:26 CEST | Original file | https://www.mdpi.com/1999-4915/6/3/1037/xml |
| article pdf uploaded. | 4 March 2014 10:39 CET | Updated version of record | https://www.mdpi.com/1999-4915/6/3/1037/pdf |
| article pdf uploaded. | 4 March 2014 09:54 CET | Version of Record | https://www.mdpi.com/1999-4915/6/3/1037/pdf-vor |
