| article html file updated | 9 February 2020 07:58 CET | Update | https://www.mdpi.com/2075-4418/8/1/18 |
| article html file updated | 1 October 2019 03:00 CEST | Update | - |
| article html file updated | 1 May 2019 15:37 CEST | Update | - |
| article html file updated | 17 April 2019 15:08 CEST | Update | - |
| article html file updated | 29 March 2019 02:22 CET | Update | - |
| article html file updated | 27 March 2018 14:30 CEST | Update | - |
| article html file updated | 27 February 2018 19:39 CET | Original file | - |
| article xml uploaded. | 27 February 2018 19:38 CET | Original file | https://www.mdpi.com/2075-4418/8/1/18/xml |
| article pdf uploaded. | 27 February 2018 19:38 CET | Version of Record | https://www.mdpi.com/2075-4418/8/1/18/pdf |
