| article html file updated | 6 February 2020 08:23 CET | Update | https://www.mdpi.com/1999-4915/6/4/1564 |
| article html file updated | 7 May 2019 16:22 CEST | Update | N/A |
| article html file updated | 21 March 2019 14:59 CET | Update | N/A |
| article html file updated | 20 August 2015 02:11 CEST | Update | N/A |
| article html file updated | 12 May 2014 15:34 CEST | Original file | N/A |
| article xml file uploaded | 12 May 2014 15:34 CEST | Original file | https://www.mdpi.com/1999-4915/6/4/1564/xml |
| article supplementary file uploaded. | 3 April 2014 14:17 CEST | - | https://www.mdpi.com/1999-4915/6/4/1564#supplementary |
| article pdf uploaded. | 3 April 2014 14:17 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/4/1564/pdf |
