| article html file updated | 6 February 2020 20:58 CET | Update | https://www.mdpi.com/1999-4923/7/3/137 |
| article html file updated | 6 May 2019 15:08 CEST | Update | - |
| article html file updated | 26 March 2019 07:13 CET | Update | - |
| article html file updated | 30 September 2015 08:31 CEST | Update | - |
| article xml file uploaded | 30 September 2015 08:31 CEST | Original file | https://www.mdpi.com/1999-4923/7/3/137/xml |
| article html file updated | 21 August 2015 15:11 CEST | Original file | - |
| article supplementary file uploaded. | 24 July 2015 09:41 CEST | - | https://www.mdpi.com/1999-4923/7/3/137#supplementary |
| article supplementary file uploaded. | 23 July 2015 11:47 CEST | - | https://www.mdpi.com/1999-4923/7/3/137#supplementary |
| article pdf uploaded. | 23 July 2015 11:47 CEST | Version of Record | https://www.mdpi.com/1999-4923/7/3/137/pdf |