| article html file updated | 6 February 2020 12:36 CET | Update | https://www.mdpi.com/2079-6439/2/4/264 |
| article html file updated | 7 May 2019 07:35 CEST | Update | N/A |
| article html file updated | 22 March 2019 01:55 CET | Update | N/A |
| article html file updated | 20 August 2015 21:51 CEST | Update | N/A |
| article html file updated | 22 October 2014 11:21 CEST | Update | N/A |
| article xml file uploaded | 22 October 2014 11:21 CEST | Update | https://www.mdpi.com/2079-6439/2/4/264/xml |
| article html file updated | 22 October 2014 04:01 CEST | Original file | N/A |
| article xml file uploaded | 22 October 2014 04:01 CEST | Original file | N/A |
| article pdf uploaded. | 13 October 2014 13:20 CEST | Updated version of record | https://www.mdpi.com/2079-6439/2/4/264/pdf |
| article pdf uploaded. | 29 September 2014 16:04 CEST | Version of Record | https://www.mdpi.com/2079-6439/2/4/264/pdf-vor |
