| article html file updated | 6 February 2020 18:26 CET | Update | https://www.mdpi.com/1999-4907/6/5/1613 |
| article html file updated | 6 May 2019 20:27 CEST | Update | N/A |
| article html file updated | 26 March 2019 02:09 CET | Update | N/A |
| article html file updated | 21 August 2015 11:46 CEST | Update | N/A |
| article html file updated | 9 June 2015 12:08 CEST | Update | N/A |
| article xml file uploaded | 9 June 2015 12:08 CEST | Update | https://www.mdpi.com/1999-4907/6/5/1613/xml |
| article html file updated | 3 June 2015 11:45 CEST | Original file | N/A |
| article xml file uploaded | 3 June 2015 11:45 CEST | Original file | N/A |
| article pdf uploaded. | 7 May 2015 16:32 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/5/1613/pdf |