| article html file updated | 6 February 2020 07:27 CET | Update | https://www.mdpi.com/1999-4907/5/2/325 |
| article html file updated | 7 May 2019 18:15 CEST | Update | - |
| article html file updated | 21 March 2019 12:49 CET | Update | - |
| article html file updated | 19 August 2015 21:28 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/1999-4907/5/2/325/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Update | - |
| article html file updated | 24 June 2014 12:08 CEST | Original file | - |
| article xml file uploaded | 24 June 2014 12:08 CEST | Original file | - |
| article pdf uploaded. | 21 February 2014 16:28 CET | Version of Record | https://www.mdpi.com/1999-4907/5/2/325/pdf |
