| article html file updated | 6 February 2020 07:44 CET | Update | https://www.mdpi.com/1422-0067/15/3/4077 |
| article html file updated | 20 September 2019 06:21 CEST | Update | N/A |
| article html file updated | 7 May 2019 17:41 CEST | Update | N/A |
| article html file updated | 21 March 2019 13:27 CET | Update | N/A |
| article html file updated | 19 August 2015 22:47 CEST | Update | N/A |
| article html file updated | 8 April 2014 10:45 CEST | Original file | N/A |
| article xml file uploaded | 8 April 2014 10:45 CEST | Original file | https://www.mdpi.com/1422-0067/15/3/4077/xml |
| article pdf uploaded. | 6 March 2014 10:38 CET | Version of Record | https://www.mdpi.com/1422-0067/15/3/4077/pdf |
