| article html file updated | 6 February 2020 15:26 CET | Update | https://www.mdpi.com/1999-4915/7/2/456 |
| article html file updated | 7 May 2019 01:58 CEST | Update | - |
| article html file updated | 25 March 2019 20:55 CET | Update | - |
| article html file updated | 21 August 2015 06:25 CEST | Update | - |
| article html file updated | 10 March 2015 03:30 CET | Original file | - |
| article xml file uploaded | 10 March 2015 03:30 CET | Original file | https://www.mdpi.com/1999-4915/7/2/456/xml |
| article supplementary file uploaded. | 23 January 2015 16:51 CET | - | https://www.mdpi.com/1999-4915/7/2/456#supplementary |
| article pdf uploaded. | 23 January 2015 16:50 CET | Version of Record | https://www.mdpi.com/1999-4915/7/2/456/pdf |
