| article html file updated | 8 February 2020 00:50 CET | Update | https://www.mdpi.com/2075-5309/7/1/19 |
| article html file updated | 23 September 2019 16:16 CEST | Update | - |
| article html file updated | 4 May 2019 08:05 CEST | Update | - |
| article html file updated | 29 March 2017 09:39 CEST | Update | - |
| article html file updated | 6 March 2017 09:28 CET | Original file | - |
| article xml uploaded. | 6 March 2017 09:26 CET | Update | https://www.mdpi.com/2075-5309/7/1/19/xml |
| article pdf uploaded. | 6 March 2017 09:26 CET | Version of Record | https://www.mdpi.com/2075-5309/7/1/19/pdf |
