| article html file updated | 9 February 2020 08:11 CET | Update | https://www.mdpi.com/2075-1680/7/1/15 |
| article html file updated | 1 May 2019 15:09 CEST | Update | - |
| article html file updated | 17 April 2019 14:43 CEST | Update | - |
| article html file updated | 29 March 2019 02:54 CET | Update | - |
| article html file updated | 26 March 2018 15:31 CEST | Update | - |
| article html file updated | 1 March 2018 09:38 CET | Original file | - |
| article xml uploaded. | 1 March 2018 09:37 CET | Original file | https://www.mdpi.com/2075-1680/7/1/15/xml |
| article pdf uploaded. | 1 March 2018 09:37 CET | Version of Record | https://www.mdpi.com/2075-1680/7/1/15/pdf |
