| article html file updated | 6 February 2020 13:21 CET | Update | https://www.mdpi.com/1999-4915/6/11/4212 |
| article html file updated | 7 May 2019 06:05 CEST | Update | N/A |
| article html file updated | 25 March 2019 17:01 CET | Update | N/A |
| article html file updated | 21 August 2015 01:08 CEST | Update | N/A |
| article html file updated | 28 November 2014 11:04 CET | Original file | N/A |
| article xml file uploaded | 28 November 2014 11:04 CET | Original file | https://www.mdpi.com/1999-4915/6/11/4212/xml |
| article pdf uploaded. | 4 November 2014 12:11 CET | Version of Record | https://www.mdpi.com/1999-4915/6/11/4212/pdf |
