| article html file updated | 6 February 2020 09:20 CET | Update | https://www.mdpi.com/1422-0067/15/5/8878 |
| article html file updated | 7 May 2019 14:23 CEST | Update | - |
| article html file updated | 21 March 2019 17:15 CET | Update | - |
| article html file updated | 20 August 2015 07:27 CEST | Update | - |
| article html file updated | 16 June 2014 10:10 CEST | Original file | - |
| article xml file uploaded | 16 June 2014 10:09 CEST | Original file | https://www.mdpi.com/1422-0067/15/5/8878/xml |
| article pdf uploaded. | 19 May 2014 13:54 CEST | Version of Record | https://www.mdpi.com/1422-0067/15/5/8878/pdf |
