| article html file updated | 13 August 2026 23:25 CEST | Update | https://www.mdpi.com/1424-8247/8/2/337 |
| article html file updated | 6 February 2020 19:51 CET | Update | N/A |
| article html file updated | 6 May 2019 17:26 CEST | Update | N/A |
| article html file updated | 26 March 2019 05:03 CET | Update | N/A |
| article html file updated | 27 October 2017 10:40 CEST | Update | N/A |
| article html file updated | 21 August 2015 13:51 CEST | Update | N/A |
| article html file updated | 7 July 2015 04:43 CEST | Original file | N/A |
| article xml file uploaded | 7 July 2015 04:43 CEST | Original file | https://www.mdpi.com/1424-8247/8/2/337/xml |
| article pdf uploaded. | 18 June 2015 14:41 CEST | Version of Record | https://www.mdpi.com/1424-8247/8/2/337/pdf |
