| article html file updated | 6 February 2020 11:53 CET | Update | https://www.mdpi.com/2075-4701/4/3/455 |
| article html file updated | 7 May 2019 08:57 CEST | Update | - |
| article html file updated | 22 March 2019 00:02 CET | Update | - |
| article html file updated | 20 August 2015 16:55 CEST | Update | - |
| article html file updated | 26 September 2014 09:54 CEST | Original file | - |
| article xml file uploaded | 26 September 2014 09:54 CEST | Original file | https://www.mdpi.com/2075-4701/4/3/455/xml |
| article pdf uploaded. | 1 September 2014 09:36 CEST | Updated version of record | https://www.mdpi.com/2075-4701/4/3/455/pdf |
| article pdf uploaded. | 29 August 2014 10:51 CEST | Version of Record | https://www.mdpi.com/2075-4701/4/3/455/pdf-vor |
