| article html file updated | 6 February 2020 07:07 CET | Update | https://www.mdpi.com/1422-0067/15/2/2274 |
| article html file updated | 7 May 2019 18:56 CEST | Update | - |
| article html file updated | 21 March 2019 12:00 CET | Update | - |
| article html file updated | 19 August 2015 19:37 CEST | Update | - |
| article html file updated | 20 March 2014 09:54 CET | Original file | - |
| article xml file uploaded | 20 March 2014 09:54 CET | Original file | https://www.mdpi.com/1422-0067/15/2/2274/xml |
| article pdf uploaded. | 5 February 2014 11:16 CET | Version of Record | https://www.mdpi.com/1422-0067/15/2/2274/pdf |
