| article html file updated | 6 February 2020 09:22 CET | Update | https://www.mdpi.com/1422-0067/15/5/9051 |
| article html file updated | 7 May 2019 14:19 CEST | Update | - |
| article html file updated | 21 March 2019 17:20 CET | Update | - |
| article html file updated | 20 August 2015 07:41 CEST | Update | - |
| article html file updated | 16 June 2014 09:53 CEST | Original file | - |
| article xml file uploaded | 16 June 2014 09:53 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/9051/xml |
| article pdf uploaded. | 21 May 2014 09:45 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/9051/pdf |
