| article html file updated | 6 February 2020 13:04 CET | Update | https://www.mdpi.com/1999-4915/6/10/3991 |
| article html file updated | 7 May 2019 06:40 CEST | Update | N/A |
| article html file updated | 25 March 2019 16:24 CET | Update | N/A |
| article html file updated | 21 August 2015 00:06 CEST | Update | N/A |
| Correction published | 14 November 2014 00:00 CET | Correction | http://www.mdpi.com/1999-4915/6/11/4422 |
| article html file updated | 30 October 2014 08:37 CET | Original file | N/A |
| article xml file uploaded | 30 October 2014 08:37 CET | Original file | https://www.mdpi.com/1999-4915/6/10/3991/xml |
| article pdf uploaded. | 27 October 2014 10:21 CET | Updated version of record | https://www.mdpi.com/1999-4915/6/10/3991/pdf |
| article pdf uploaded. | 24 October 2014 09:50 CEST | Updated version of record | https://www.mdpi.com/1999-4915/6/10/3991/pdf-vor |
| article pdf uploaded. | 23 October 2014 11:58 CEST | Version of Record | https://www.mdpi.com/1999-4915/6/10/3991/pdf-vor |
