| article html file updated | 6 February 2020 07:26 CET | Update | https://www.mdpi.com/1422-0067/15/2/3287 |
| article html file updated | 7 May 2019 18:18 CEST | Update | N/A |
| article html file updated | 21 March 2019 12:46 CET | Update | N/A |
| article html file updated | 19 August 2015 21:24 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/1422-0067/15/2/3287/xml |
| article html file updated | 20 March 2014 10:15 CET | Original file | N/A |
| article xml file uploaded | 20 March 2014 10:15 CET | Original file | N/A |
| article pdf uploaded. | 21 February 2014 15:11 CET | Version of Record | https://www.mdpi.com/1422-0067/15/2/3287/pdf |
