| article html file updated | 7 February 2020 21:56 CET | Update | https://www.mdpi.com/2075-163X/7/1/12 |
| article html file updated | 22 September 2019 23:59 CEST | Update | - |
| article html file updated | 4 May 2019 14:09 CEST | Update | - |
| article html file updated | 7 February 2017 10:29 CET | Update | - |
| article html file updated | 21 January 2017 09:55 CET | Original file | - |
| article xml uploaded. | 21 January 2017 09:53 CET | Update | https://www.mdpi.com/2075-163X/7/1/12/xml |
| article xml uploaded. | 21 January 2017 09:53 CET | Original file | - |
| article pdf uploaded. | 21 January 2017 09:53 CET | Version of Record | https://www.mdpi.com/2075-163X/7/1/12/pdf |
