| article html file updated | 9 February 2020 04:22 CET | Update | https://www.mdpi.com/2079-6412/8/2/49 |
| article html file updated | 30 September 2019 05:33 CEST | Update | - |
| article html file updated | 1 May 2019 23:32 CEST | Update | - |
| article html file updated | 17 April 2019 22:07 CEST | Update | - |
| article html file updated | 28 March 2019 18:23 CET | Update | - |
| article html file updated | 14 March 2018 08:56 CET | Update | - |
| article html file updated | 25 January 2018 16:57 CET | Original file | - |
| article xml uploaded. | 25 January 2018 16:55 CET | Update | https://www.mdpi.com/2079-6412/8/2/49/xml |
| article xml uploaded. | 25 January 2018 16:55 CET | Original file | - |
| article pdf uploaded. | 25 January 2018 16:55 CET | Version of Record | https://www.mdpi.com/2079-6412/8/2/49/pdf |
