| article html file updated | 6 February 2020 21:45 CET | Update | https://www.mdpi.com/2227-9075/2/3/529 |
| article html file updated | 6 May 2019 13:34 CEST | Update | - |
| article html file updated | 26 March 2019 08:42 CET | Update | - |
| article html file updated | 21 August 2015 15:36 CEST | Update | - |
| article html file updated | 19 August 2015 12:18 CEST | Original file | - |
| article xml file uploaded | 19 August 2015 12:18 CEST | Original file | https://www.mdpi.com/2227-9075/2/3/529/xml |
| article pdf uploaded. | 18 August 2015 10:58 CEST | Updated version of record | https://www.mdpi.com/2227-9075/2/3/529/pdf |
| article pdf uploaded. | 14 August 2015 10:59 CEST | Version of Record | https://www.mdpi.com/2227-9075/2/3/529/pdf-vor |
