| article html file updated | 9 February 2020 13:54 CET | Update | https://www.mdpi.com/2075-471X/7/2/13 |
| article html file updated | 1 May 2019 03:20 CEST | Update | - |
| article html file updated | 17 April 2019 03:45 CEST | Update | - |
| article html file updated | 29 March 2019 15:51 CET | Update | - |
| article html file updated | 18 April 2018 16:51 CEST | Original file | - |
| article xml uploaded. | 18 April 2018 16:50 CEST | Original file | https://www.mdpi.com/2075-471X/7/2/13/xml |
| article pdf uploaded. | 18 April 2018 16:50 CEST | Updated version of record | https://www.mdpi.com/2075-471X/7/2/13/pdf |
| article pdf uploaded. | 15 April 2018 11:27 CEST | Version of Record | https://www.mdpi.com/2075-471X/7/2/13/pdf-vor |
