| article html file updated | 9 February 2020 02:44 CET | Update | https://www.mdpi.com/2079-4983/9/1/4 |
| article html file updated | 29 September 2019 20:12 CEST | Update | - |
| article html file updated | 2 May 2019 02:55 CEST | Update | - |
| article html file updated | 18 April 2019 01:06 CEST | Update | - |
| article html file updated | 28 March 2019 14:48 CET | Update | - |
| article html file updated | 27 March 2018 14:39 CEST | Update | - |
| article html file updated | 11 January 2018 16:49 CET | Original file | - |
| article xml uploaded. | 11 January 2018 16:48 CET | Update | https://www.mdpi.com/2079-4983/9/1/4/xml |
| article xml uploaded. | 11 January 2018 16:48 CET | Original file | - |
| article pdf uploaded. | 11 January 2018 16:48 CET | Version of Record | https://www.mdpi.com/2079-4983/9/1/4/pdf |
