| article html file updated | 6 February 2020 07:36 CET | Update | https://www.mdpi.com/1422-0067/15/3/3671 |
| article html file updated | 7 May 2019 17:58 CEST | Update | - |
| article html file updated | 21 March 2019 13:09 CET | Update | - |
| article html file updated | 19 August 2015 22:06 CEST | Update | - |
| article html file updated | 8 April 2014 10:36 CEST | Original file | - |
| article xml file uploaded | 8 April 2014 10:35 CEST | Original file | https://www.mdpi.com/1422-0067/15/3/3671/xml |
| article pdf uploaded. | 28 February 2014 10:34 CET | Version of Record | https://www.mdpi.com/1422-0067/15/3/3671/pdf |
