| article html file updated | 8 February 2020 03:20 CET | Update | https://www.mdpi.com/2305-6304/5/2/11 |
| article html file updated | 24 September 2019 06:22 CEST | Update | - |
| article html file updated | 4 May 2019 02:41 CEST | Update | - |
| article html file updated | 29 June 2017 11:58 CEST | Update | - |
| article html file updated | 11 April 2017 11:58 CEST | Original file | - |
| article xml uploaded. | 11 April 2017 11:57 CEST | Original file | https://www.mdpi.com/2305-6304/5/2/11/xml |
| article pdf uploaded. | 11 April 2017 11:57 CEST | Version of Record | https://www.mdpi.com/2305-6304/5/2/11/pdf |
