| article html file updated | 6 February 2020 08:59 CET | Update | https://www.mdpi.com/2076-3425/4/2/335 |
| article html file updated | 7 May 2019 15:06 CEST | Update | N/A |
| article html file updated | 21 March 2019 16:25 CET | Update | N/A |
| article html file updated | 20 August 2015 05:22 CEST | Update | N/A |
| Correction published | 19 September 2014 00:00 CEST | Correction | http://www.mdpi.com/2076-3425/4/3/488 |
| article html file updated | 18 July 2014 03:57 CEST | Original file | N/A |
| article xml file uploaded | 18 July 2014 03:57 CEST | Original file | https://www.mdpi.com/2076-3425/4/2/335/xml |
| article pdf uploaded. | 5 May 2014 15:48 CEST | Updated version of record | https://www.mdpi.com/2076-3425/4/2/335/pdf |
| article pdf uploaded. | 30 April 2014 18:13 CEST | Version of Record | https://www.mdpi.com/2076-3425/4/2/335/pdf-vor |
