| article html file updated | 6 February 2020 08:14 CET | Update | https://www.mdpi.com/1422-0067/15/4/5412 |
| article html file updated | 7 May 2019 16:40 CEST | Update | - |
| article html file updated | 21 March 2019 14:39 CET | Update | - |
| article html file updated | 20 August 2015 01:30 CEST | Update | - |
| article html file updated | 12 May 2014 11:36 CEST | Update | - |
| article xml file uploaded | 12 May 2014 11:36 CEST | Update | https://www.mdpi.com/1422-0067/15/4/5412/xml |
| article html file updated | 12 May 2014 10:37 CEST | Original file | - |
| article xml file uploaded | 12 May 2014 10:36 CEST | Original file | - |
| article pdf uploaded. | 28 March 2014 09:40 CET | Version of Record | https://www.mdpi.com/1422-0067/15/4/5412/pdf |
