| article html file updated | 26 September 2022 12:30 CEST | Original file | https://www.mdpi.com/2504-3900/1/4/505 |
| article pdf uploaded. | 4 September 2017 08:21 CEST | Updated version of record | https://www.mdpi.com/2504-3900/1/4/505/pdf |
| article pdf uploaded. | 8 August 2017 12:03 CEST | Version of Record | https://www.mdpi.com/2504-3900/1/4/505/pdf-vor |
