| article html file updated | 26 September 2022 09:18 CEST | Original file | https://www.mdpi.com/2504-3900/1/4/615 |
| article pdf uploaded. | 13 October 2017 05:28 CEST | Updated version of record | https://www.mdpi.com/2504-3900/1/4/615/pdf |
| article pdf uploaded. | 5 September 2017 07:48 CEST | Updated version of record | https://www.mdpi.com/2504-3900/1/4/615/pdf-vor |
| article pdf uploaded. | 8 August 2017 13:42 CEST | Version of Record | https://www.mdpi.com/2504-3900/1/4/615/pdf-vor |
