| article html file updated | 9 February 2020 13:01 CET | Update | https://www.mdpi.com/2075-1680/7/2/23 |
| article html file updated | 2 October 2019 09:58 CEST | Update | - |
| article html file updated | 1 May 2019 05:04 CEST | Update | - |
| article html file updated | 17 April 2019 05:18 CEST | Update | - |
| article html file updated | 29 March 2019 13:50 CET | Update | - |
| article html file updated | 27 June 2018 12:00 CEST | Update | - |
| article html file updated | 9 April 2018 10:11 CEST | Original file | - |
| article xml uploaded. | 9 April 2018 10:09 CEST | Original file | https://www.mdpi.com/2075-1680/7/2/23/xml |
| article pdf uploaded. | 9 April 2018 10:09 CEST | Version of Record | https://www.mdpi.com/2075-1680/7/2/23/pdf |
