| article html file updated | 7 February 2020 04:42 CET | Update | https://www.mdpi.com/1996-1073/9/2/114 |
| article html file updated | 6 May 2019 00:01 CEST | Update | - |
| article html file updated | 26 March 2019 21:00 CET | Original file | - |
| article pdf uploaded. | 18 February 2016 09:58 CET | Updated version of record | https://www.mdpi.com/1996-1073/9/2/114/pdf |
| article xml uploaded. | 18 February 2016 09:58 CET | Update | https://www.mdpi.com/1996-1073/9/2/114/xml |
| article pdf uploaded. | 18 February 2016 09:45 CET | Version of Record | https://www.mdpi.com/1996-1073/9/2/114/pdf-vor |
| article xml uploaded. | 18 February 2016 09:45 CET | Original file | - |
