| article html file updated | 8 February 2020 10:50 CET | Update | https://www.mdpi.com/2076-3263/7/3/57 |
| article html file updated | 25 September 2019 21:53 CEST | Update | - |
| article html file updated | 3 May 2019 12:41 CEST | Update | - |
| article html file updated | 30 September 2017 14:08 CEST | Update | - |
| article html file updated | 12 July 2017 15:11 CEST | Original file | - |
| article xml uploaded. | 12 July 2017 15:09 CEST | Update | https://www.mdpi.com/2076-3263/7/3/57/xml |
| article pdf uploaded. | 12 July 2017 15:09 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/3/57/pdf |
