| article html file updated | 6 February 2020 17:17 CET | Update | https://www.mdpi.com/1422-0067/16/4/7577 |
| article html file updated | 6 May 2019 22:37 CEST | Update | - |
| article html file updated | 26 March 2019 00:03 CET | Update | - |
| article html file updated | 21 August 2015 09:55 CEST | Update | - |
| article html file updated | 7 May 2015 12:04 CEST | Original file | - |
| article xml file uploaded | 7 May 2015 12:04 CEST | Original file | https://www.mdpi.com/1422-0067/16/4/7577/xml |
| article pdf uploaded. | 3 April 2015 08:57 CEST | Version of Record | https://www.mdpi.com/1422-0067/16/4/7577/pdf |
