| article html file updated | 6 February 2020 20:25 CET | Update | https://www.mdpi.com/2227-9075/2/3/392 |
| article html file updated | 6 May 2019 16:16 CEST | Update | N/A |
| article html file updated | 26 March 2019 06:06 CET | Update | N/A |
| article html file updated | 2 November 2015 10:51 CET | Original file | N/A |
| article xml file uploaded | 2 November 2015 10:51 CET | Original file | https://www.mdpi.com/2227-9075/2/3/392/xml |
| article pdf uploaded. | 7 July 2015 13:56 CEST | Version of Record | https://www.mdpi.com/2227-9075/2/3/392/pdf |
