| article html file updated | 6 February 2020 06:31 CET | Update | https://www.mdpi.com/1422-0067/15/1/401 |
| article html file updated | 7 May 2019 20:14 CEST | Update | - |
| article html file updated | 21 March 2019 10:23 CET | Update | - |
| article html file updated | 19 August 2015 16:14 CEST | Update | - |
| article html file updated | 3 February 2014 10:38 CET | Original file | - |
| article xml file uploaded | 3 February 2014 10:37 CET | Original file | https://www.mdpi.com/1422-0067/15/1/401/xml |
| article pdf uploaded. | 31 December 2013 13:56 CET | Version of Record | https://www.mdpi.com/1422-0067/15/1/401/pdf |
