| article html file updated | 7 February 2020 22:05 CET | Update | https://www.mdpi.com/2079-4991/7/2/25 |
| article html file updated | 23 September 2019 00:47 CEST | Update | - |
| article html file updated | 4 May 2019 13:51 CEST | Update | - |
| article html file updated | 2 March 2017 08:58 CET | Update | - |
| article html file updated | 24 January 2017 09:04 CET | Original file | - |
| article xml uploaded. | 24 January 2017 09:03 CET | Original file | https://www.mdpi.com/2079-4991/7/2/25/xml |
| article pdf uploaded. | 24 January 2017 09:03 CET | Version of Record | https://www.mdpi.com/2079-4991/7/2/25/pdf |
