| article html file updated | 6 February 2020 17:34 CET | Update | https://www.mdpi.com/1999-4893/8/2/128 |
| article html file updated | 6 May 2019 22:08 CEST | Update | N/A |
| article html file updated | 26 March 2019 00:29 CET | Update | N/A |
| article html file updated | 21 August 2015 10:20 CEST | Update | N/A |
| article html file updated | 15 July 2015 09:22 CEST | Original file | N/A |
| article xml file uploaded | 15 July 2015 09:22 CEST | Original file | https://www.mdpi.com/1999-4893/8/2/128/xml |
| article pdf uploaded. | 13 April 2015 14:37 CEST | Version of Record | https://www.mdpi.com/1999-4893/8/2/128/pdf |
