| article html file updated | 7 February 2020 22:53 CET | Update | https://www.mdpi.com/2071-1050/9/2/230 |
| article html file updated | 23 September 2019 05:07 CEST | Update | - |
| article html file updated | 4 May 2019 12:16 CEST | Update | - |
| article html file updated | 1 March 2017 10:32 CET | Update | - |
| article html file updated | 9 February 2017 09:54 CET | Update | - |
| article xml uploaded. | 9 February 2017 09:53 CET | Update | https://www.mdpi.com/2071-1050/9/2/230/xml |
| article pdf uploaded. | 9 February 2017 09:53 CET | Updated version of record | https://www.mdpi.com/2071-1050/9/2/230/pdf |
| article html file updated | 8 February 2017 13:01 CET | Original file | - |
| article xml uploaded. | 8 February 2017 13:00 CET | Original file | - |
| article pdf uploaded. | 8 February 2017 13:00 CET | Version of Record | https://www.mdpi.com/2071-1050/9/2/230/pdf-vor |
