| article html file updated | 6 February 2020 20:41 CET | Update | https://www.mdpi.com/1999-4907/6/7/2424 |
| article html file updated | 6 May 2019 15:44 CEST | Update | - |
| article html file updated | 26 March 2019 06:39 CET | Update | - |
| article html file updated | 21 August 2015 14:53 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/1999-4907/6/7/2424/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 supplementary file uploaded. | 16 July 2015 08:56 CEST | - | https://www.mdpi.com/1999-4907/6/7/2424#supplementary |
| article pdf uploaded. | 15 July 2015 14:53 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/7/2424/pdf |
