| article html file updated | 26 September 2022 15:32 CEST | Original file | https://www.mdpi.com/2504-3900/2/3/106 |
| article pdf uploaded. | 25 July 2018 07:58 CEST | Updated version of record | https://www.mdpi.com/2504-3900/2/3/106/pdf |
| article pdf uploaded. | 1 February 2018 06:34 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/3/106/pdf-vor |
| article pdf uploaded. | 30 January 2018 13:36 CET | Version of Record | https://www.mdpi.com/2504-3900/2/3/106/pdf-vor |
