| article html file updated | 6 February 2020 09:17 CET | Update | https://www.mdpi.com/1999-4915/6/5/2138 |
| article html file updated | 7 May 2019 14:27 CEST | Update | - |
| article html file updated | 21 March 2019 17:09 CET | Update | - |
| article html file updated | 20 August 2015 07:14 CEST | Update | - |
| article html file updated | 5 June 2014 08:50 CEST | Original file | - |
| article xml file uploaded | 5 June 2014 08:50 CEST | Original file | https://www.mdpi.com/1999-4915/6/5/2138/xml |
| article supplementary file uploaded. | 16 May 2014 10:57 CEST | - | https://www.mdpi.com/1999-4915/6/5/2138#supplementary |
| article pdf uploaded. | 16 May 2014 10:57 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/5/2138/pdf |
