| article html file updated | 6 February 2020 06:38 CET | Update | https://www.mdpi.com/1422-0067/15/1/774 |
| article html file updated | 7 May 2019 20:00 CEST | Update | N/A |
| article html file updated | 21 March 2019 10:46 CET | Update | N/A |
| article html file updated | 19 August 2015 16:51 CEST | Update | N/A |
| article html file updated | 3 February 2014 10:46 CET | Original file | N/A |
| article xml file uploaded | 3 February 2014 10:46 CET | Original file | https://www.mdpi.com/1422-0067/15/1/774/xml |
| article pdf uploaded. | 8 January 2014 11:52 CET | Version of Record | https://www.mdpi.com/1422-0067/15/1/774/pdf |
