| article html file updated | 8 February 2020 10:15 CET | Update | https://www.mdpi.com/2075-5309/7/3/61 |
| article html file updated | 25 September 2019 18:54 CEST | Update | - |
| article html file updated | 3 May 2019 13:46 CEST | Update | - |
| article html file updated | 6 October 2017 05:03 CEST | Update | - |
| article html file updated | 6 July 2017 11:05 CEST | Original file | - |
| article xml uploaded. | 6 July 2017 11:04 CEST | Update | https://www.mdpi.com/2075-5309/7/3/61/xml |
| article pdf uploaded. | 6 July 2017 11:04 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/3/61/pdf |
