| article html file updated | 6 February 2020 06:03 CET | Update | https://www.mdpi.com/2079-4983/4/4/358 |
| article html file updated | 7 May 2019 21:08 CEST | Update | N/A |
| article html file updated | 21 March 2019 09:01 CET | Update | N/A |
| article html file updated | 19 August 2015 12:53 CEST | Update | N/A |
| article html file updated | 28 April 2014 10:51 CEST | Original file | N/A |
| article xml file uploaded | 28 April 2014 10:51 CEST | Original file | https://www.mdpi.com/2079-4983/4/4/358/xml |
| article pdf uploaded. | 10 December 2013 16:52 CET | Updated version of record | https://www.mdpi.com/2079-4983/4/4/358/pdf |
| article pdf uploaded. | 10 December 2013 16:47 CET | Updated version of record | https://www.mdpi.com/2079-4983/4/4/358/pdf-vor |
| article pdf uploaded. | 9 December 2013 11:11 CET | Version of Record | https://www.mdpi.com/2079-4983/4/4/358/pdf-vor |