| article html file updated | 9 February 2020 12:09 CET | Update | https://www.mdpi.com/2075-1680/7/2/22 |
| article html file updated | 1 May 2019 06:51 CEST | Update | N/A |
| article html file updated | 17 April 2019 06:53 CEST | Update | N/A |
| article html file updated | 29 March 2019 11:51 CET | Update | N/A |
| article html file updated | 27 June 2018 12:00 CEST | Update | N/A |
| article html file updated | 3 April 2018 13:38 CEST | Original file | N/A |
| article xml uploaded. | 3 April 2018 03:04 CEST | Original file | https://www.mdpi.com/2075-1680/7/2/22/xml |
| article pdf uploaded. | 3 April 2018 03:04 CEST | Updated version of record | https://www.mdpi.com/2075-1680/7/2/22/pdf |
| article pdf uploaded. | 1 April 2018 13:17 CEST | Version of Record | https://www.mdpi.com/2075-1680/7/2/22/pdf-vor |
