| article html file updated | 8 February 2020 15:20 CET | Update | https://www.mdpi.com/2075-4434/5/3/50 |
| article html file updated | 26 September 2019 22:52 CEST | Update | - |
| article html file updated | 3 May 2019 03:34 CEST | Update | - |
| article html file updated | 30 September 2017 14:04 CEST | Update | - |
| article html file updated | 5 September 2017 15:24 CEST | Original file | - |
| article xml uploaded. | 5 September 2017 15:23 CEST | Original file | https://www.mdpi.com/2075-4434/5/3/50/xml |
| article pdf uploaded. | 5 September 2017 15:23 CEST | Updated version of record | https://www.mdpi.com/2075-4434/5/3/50/pdf |
| article pdf uploaded. | 5 September 2017 11:39 CEST | Version of Record | - |
