| article html file updated | 8 February 2020 15:29 CET | Update | https://www.mdpi.com/2075-5309/7/3/81 |
| article html file updated | 26 September 2019 23:44 CEST | Update | N/A |
| article html file updated | 3 May 2019 03:15 CEST | Update | N/A |
| article html file updated | 6 October 2017 05:02 CEST | Update | N/A |
| article html file updated | 6 September 2017 14:14 CEST | Original file | N/A |
| article xml uploaded. | 6 September 2017 14:13 CEST | Original file | https://www.mdpi.com/2075-5309/7/3/81/xml |
| article pdf uploaded. | 6 September 2017 14:13 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/3/81/pdf |
