| article html file updated | 8 February 2020 00:08 CET | Update | https://www.mdpi.com/2079-7737/6/1/17 |
| article html file updated | 23 September 2019 12:13 CEST | Update | - |
| article html file updated | 4 May 2019 09:42 CEST | Update | - |
| article html file updated | 30 March 2017 11:00 CEST | Update | - |
| article html file updated | 24 February 2017 02:26 CET | Original file | - |
| article xml uploaded. | 24 February 2017 02:24 CET | Update | https://www.mdpi.com/2079-7737/6/1/17/xml |
| article xml uploaded. | 24 February 2017 02:24 CET | Original file | - |
| article pdf uploaded. | 24 February 2017 02:24 CET | Version of Record | https://www.mdpi.com/2079-7737/6/1/17/pdf |
