| article html file updated | 6 February 2020 20:48 CET | Update | https://www.mdpi.com/1999-4907/6/7/2469 |
| article html file updated | 6 May 2019 15:28 CEST | Update | - |
| article html file updated | 26 March 2019 06:54 CET | Update | - |
| article html file updated | 21 August 2015 15:00 CEST | Update | - |
| article html file updated | 7 August 2015 14:48 CEST | Update | - |
| article xml file uploaded | 7 August 2015 14:48 CEST | Update | https://www.mdpi.com/1999-4907/6/7/2469/xml |
| article html file updated | 28 July 2015 12:27 CEST | Original file | - |
| article xml file uploaded | 28 July 2015 12:27 CEST | Original file | - |
| article pdf uploaded. | 17 July 2015 16:51 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/7/2469/pdf |
