| article html file updated | 6 February 2020 17:47 CET | Update | https://www.mdpi.com/2227-7390/3/2/190 |
| article html file updated | 20 September 2019 20:19 CEST | Update | N/A |
| article html file updated | 6 May 2019 21:43 CEST | Update | N/A |
| article html file updated | 26 March 2019 00:52 CET | Update | N/A |
| article html file updated | 21 August 2015 10:44 CEST | Update | N/A |
| article html file updated | 24 July 2015 08:40 CEST | Original file | N/A |
| article xml file uploaded | 24 July 2015 08:40 CEST | Original file | https://www.mdpi.com/2227-7390/3/2/190/xml |
| article pdf uploaded. | 21 April 2015 09:17 CEST | Updated version of record | https://www.mdpi.com/2227-7390/3/2/190/pdf |
| article pdf uploaded. | 17 April 2015 14:09 CEST | Version of Record | https://www.mdpi.com/2227-7390/3/2/190/pdf-vor |
