| article html file updated | 26 September 2022 13:36 CEST | Original file | https://www.mdpi.com/2504-3900/1/4/546 |
| article pdf uploaded. | 5 September 2017 15:37 CEST | Updated version of record | https://www.mdpi.com/2504-3900/1/4/546/pdf |
| article pdf uploaded. | 9 August 2017 11:24 CEST | Version of Record | https://www.mdpi.com/2504-3900/1/4/546/pdf-vor |
