| article html file updated | 6 February 2020 18:14 CET | Update | https://www.mdpi.com/1999-4907/6/5/1476 |
| article html file updated | 6 May 2019 20:50 CEST | Update | - |
| article html file updated | 26 March 2019 01:47 CET | Update | - |
| article html file updated | 21 August 2015 11:28 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/1999-4907/6/5/1476/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. | 30 April 2015 13:01 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/5/1476/pdf |
