| article html file updated | 6 February 2020 18:10 CET | Update | https://www.mdpi.com/1999-4907/6/5/1454 |
| article html file updated | 6 May 2019 20:57 CEST | Update | - |
| article html file updated | 26 March 2019 01:39 CET | Update | - |
| article html file updated | 21 August 2015 11:21 CEST | Update | - |
| article html file updated | 9 June 2015 12:07 CEST | Update | - |
| article xml file uploaded | 9 June 2015 12:07 CEST | Update | https://www.mdpi.com/1999-4907/6/5/1454/xml |
| article html file updated | 3 June 2015 11:45 CEST | Original file | - |
| article xml file uploaded | 3 June 2015 11:45 CEST | Original file | - |
| article pdf uploaded. | 29 April 2015 11:56 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/5/1454/pdf |
