| article html file updated | 8 February 2020 08:56 CET | Update | https://www.mdpi.com/2075-5309/7/3/55 |
| article html file updated | 25 September 2019 11:51 CEST | Update | - |
| article html file updated | 3 May 2019 16:13 CEST | Update | - |
| article html file updated | 6 October 2017 05:02 CEST | Update | - |
| article html file updated | 22 June 2017 12:43 CEST | Original file | - |
| article xml uploaded. | 22 June 2017 12:42 CEST | Update | https://www.mdpi.com/2075-5309/7/3/55/xml |
| article pdf uploaded. | 22 June 2017 12:42 CEST | Version of Record | https://www.mdpi.com/2075-5309/7/3/55/pdf |
