| article html file updated | 6 February 2020 06:23 CET | Update | https://www.mdpi.com/1422-0067/15/1/141 |
| article html file updated | 7 May 2019 20:31 CEST | Update | - |
| article html file updated | 21 March 2019 09:57 CET | Update | - |
| article html file updated | 19 August 2015 14:48 CEST | Update | - |
| article html file updated | 3 February 2014 10:32 CET | Original file | - |
| article xml file uploaded | 3 February 2014 10:32 CET | Original file | https://www.mdpi.com/1422-0067/15/1/141/xml |
| article pdf uploaded. | 23 December 2013 12:10 CET | Version of Record | https://www.mdpi.com/1422-0067/15/1/141/pdf |
