| article html file updated | 8 February 2020 18:32 CET | Update | https://www.mdpi.com/2075-4434/5/4/65 |
| article html file updated | 2 May 2019 21:06 CEST | Update | - |
| article html file updated | 2 January 2018 17:11 CET | Update | - |
| article html file updated | 16 October 2017 05:40 CEST | Update | - |
| article xml uploaded. | 16 October 2017 05:38 CEST | Update | https://www.mdpi.com/2075-4434/5/4/65/xml |
| article pdf uploaded. | 16 October 2017 05:38 CEST | Updated version of record | https://www.mdpi.com/2075-4434/5/4/65/pdf |
| article html file updated | 15 October 2017 14:47 CEST | Original file | - |
| article xml uploaded. | 15 October 2017 14:46 CEST | Original file | - |
| article pdf uploaded. | 15 October 2017 14:46 CEST | Version of Record | https://www.mdpi.com/2075-4434/5/4/65/pdf-vor |
