| article html file updated | 6 February 2020 18:37 CET | Update | https://www.mdpi.com/1999-4907/6/5/1666 |
| article html file updated | 6 May 2019 20:05 CEST | Update | - |
| article html file updated | 26 March 2019 02:35 CET | Update | - |
| article html file updated | 21 August 2015 12:08 CEST | Update | - |
| article html file updated | 9 June 2015 12:08 CEST | Update | - |
| article xml file uploaded | 9 June 2015 12:08 CEST | Update | https://www.mdpi.com/1999-4907/6/5/1666/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 supplementary file uploaded. | 13 May 2015 17:41 CEST | - | https://www.mdpi.com/1999-4907/6/5/1666#supplementary |
| article pdf uploaded. | 13 May 2015 17:41 CEST | Version of Record | https://www.mdpi.com/1999-4907/6/5/1666/pdf |
