| article html file updated | 6 February 2020 07:56 CET | Update | https://www.mdpi.com/1422-0067/15/3/4608 |
| article html file updated | 7 May 2019 17:16 CEST | Update | - |
| article html file updated | 21 March 2019 13:56 CET | Update | - |
| article html file updated | 19 August 2015 23:53 CEST | Update | - |
| article html file updated | 8 April 2014 10:56 CEST | Original file | - |
| article xml file uploaded | 8 April 2014 10:56 CEST | Original file | https://www.mdpi.com/1422-0067/15/3/4608/xml |
| article pdf uploaded. | 17 March 2014 09:55 CET | Version of Record | https://www.mdpi.com/1422-0067/15/3/4608/pdf |
