| article html file updated | 8 February 2020 06:42 CET | Update | https://www.mdpi.com/2311-7524/3/2/34 |
| article html file updated | 25 September 2019 00:17 CEST | Update | - |
| article html file updated | 3 May 2019 20:25 CEST | Update | - |
| article html file updated | 25 May 2017 14:59 CEST | Original file | - |
| article xml uploaded. | 25 May 2017 14:58 CEST | Original file | https://www.mdpi.com/2311-7524/3/2/34/xml |
| article pdf uploaded. | 25 May 2017 14:58 CEST | Version of Record | https://www.mdpi.com/2311-7524/3/2/34/pdf |
