| article html file updated | 6 February 2020 08:58 CET | Update | https://www.mdpi.com/1422-0067/15/5/7500 |
| article html file updated | 7 May 2019 15:09 CEST | Update | N/A |
| article html file updated | 21 March 2019 16:22 CET | Update | N/A |
| article html file updated | 20 August 2015 05:12 CEST | Update | N/A |
| article html file updated | 16 June 2014 09:33 CEST | Original file | N/A |
| article xml file uploaded | 16 June 2014 09:33 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/7500/xml |
| article pdf uploaded. | 30 April 2014 15:58 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/7500/pdf |
