| article html file updated | 8 February 2020 04:29 CET | Update | https://www.mdpi.com/2311-7524/3/2/29 |
| article html file updated | 24 September 2019 12:46 CEST | Update | - |
| article html file updated | 4 May 2019 00:34 CEST | Update | - |
| article html file updated | 27 April 2017 08:20 CEST | Original file | - |
| article xml uploaded. | 27 April 2017 08:19 CEST | Update | https://www.mdpi.com/2311-7524/3/2/29/xml |
| article pdf uploaded. | 27 April 2017 08:19 CEST | Version of Record | https://www.mdpi.com/2311-7524/3/2/29/pdf |
