| article html file updated | 6 February 2020 09:06 CET | Update | https://www.mdpi.com/1422-0067/15/5/8049 |
| article html file updated | 7 May 2019 14:50 CEST | Update | - |
| article html file updated | 21 March 2019 16:43 CET | Update | - |
| article html file updated | 20 August 2015 06:08 CEST | Update | - |
| article html file updated | 16 June 2014 09:53 CEST | Original file | - |
| article xml file uploaded | 16 June 2014 09:53 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/8049/xml |
| article pdf uploaded. | 8 May 2014 09:26 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/8049/pdf |
