| article html file updated | 6 February 2020 09:16 CET | Update | https://www.mdpi.com/1422-0067/15/5/8713 |
| article html file updated | 7 May 2019 14:30 CEST | Update | - |
| article html file updated | 21 March 2019 17:06 CET | Update | - |
| article html file updated | 20 August 2015 07:08 CEST | Update | - |
| article html file updated | 16 June 2014 10:17 CEST | Original file | - |
| article xml file uploaded | 16 June 2014 10:14 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/8713/xml |
| article pdf uploaded. | 15 May 2014 11:55 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/8713/pdf |
