| article html file updated | 6 February 2020 22:13 CET | Update | https://www.mdpi.com/1999-4915/7/9/2849 |
| article html file updated | 6 May 2019 12:33 CEST | Update | - |
| article html file updated | 26 March 2019 09:38 CET | Original file | - |
| article xml file uploaded | 28 September 2015 11:54 CEST | Update | https://www.mdpi.com/1999-4915/7/9/2849/xml |
| article pdf uploaded. | 10 September 2015 14:03 CEST | Updated version of record | https://www.mdpi.com/1999-4915/7/9/2849/pdf |
| article pdf uploaded. | 10 September 2015 12:13 CEST | Updated version of record | https://www.mdpi.com/1999-4915/7/9/2849/pdf-vor |
| article pdf uploaded. | 10 September 2015 11:55 CEST | Updated version of record | https://www.mdpi.com/1999-4915/7/9/2849/pdf-vor |
| article xml file uploaded | 9 September 2015 11:48 CEST | Original file | - |
| article pdf uploaded. | 28 August 2015 11:15 CEST | Version of Record | https://www.mdpi.com/1999-4915/7/9/2849/pdf-vor |
