| article html file updated | 9 February 2020 02:50 CET | Update | https://www.mdpi.com/2079-6412/8/1/33 |
| article html file updated | 29 September 2019 20:46 CEST | Update | - |
| article html file updated | 2 May 2019 02:41 CEST | Update | - |
| article html file updated | 18 April 2019 00:54 CEST | Update | - |
| article html file updated | 28 March 2019 15:03 CET | Update | - |
| article html file updated | 1 February 2018 10:34 CET | Update | - |
| article html file updated | 12 January 2018 13:44 CET | Original file | - |
| article xml uploaded. | 12 January 2018 13:43 CET | Update | https://www.mdpi.com/2079-6412/8/1/33/xml |
| article xml uploaded. | 12 January 2018 13:43 CET | Original file | - |
| article pdf uploaded. | 12 January 2018 13:43 CET | Version of Record | https://www.mdpi.com/2079-6412/8/1/33/pdf |
