| article html file updated | 9 February 2020 06:59 CET | Update | https://www.mdpi.com/2075-4434/6/1/24 |
| article html file updated | 1 May 2019 17:41 CEST | Update | - |
| article html file updated | 17 April 2019 17:01 CEST | Update | - |
| article html file updated | 29 March 2019 00:05 CET | Update | - |
| article html file updated | 27 March 2018 12:39 CEST | Update | - |
| article html file updated | 27 February 2018 12:04 CET | Original file | - |
| article xml uploaded. | 27 February 2018 12:03 CET | Original file | https://www.mdpi.com/2075-4434/6/1/24/xml |
| article pdf uploaded. | 27 February 2018 12:03 CET | Updated version of record | https://www.mdpi.com/2075-4434/6/1/24/pdf |
| article pdf uploaded. | 18 February 2018 04:48 CET | Version of Record | https://www.mdpi.com/2075-4434/6/1/24/pdf-vor |
