| article html file updated | 6 February 2020 17:45 CET | Update | https://www.mdpi.com/1422-0067/16/4/8621 |
| article html file updated | 6 May 2019 21:47 CEST | Update | - |
| article html file updated | 26 March 2019 00:49 CET | Update | - |
| article html file updated | 21 August 2015 10:39 CEST | Update | - |
| article html file updated | 7 May 2015 12:05 CEST | Original file | - |
| article xml file uploaded | 7 May 2015 12:05 CEST | Original file | https://www.mdpi.com/1422-0067/16/4/8621/xml |
| article pdf uploaded. | 17 April 2015 09:26 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/4/8621/pdf |
