| article html file updated | 9 February 2020 05:34 CET | Update | https://www.mdpi.com/2075-471X/7/1/6 |
| article html file updated | 1 May 2019 20:51 CEST | Update | - |
| article html file updated | 17 April 2019 19:49 CEST | Update | - |
| article html file updated | 28 March 2019 21:02 CET | Update | - |
| article html file updated | 7 February 2018 10:02 CET | Original file | - |
| article xml uploaded. | 7 February 2018 10:01 CET | Original file | https://www.mdpi.com/2075-471X/7/1/6/xml |
| article pdf uploaded. | 7 February 2018 10:01 CET | Updated version of record | https://www.mdpi.com/2075-471X/7/1/6/pdf |
| article pdf uploaded. | 5 February 2018 12:02 CET | Version of Record | https://www.mdpi.com/2075-471X/7/1/6/pdf-vor |
