| article html file updated | 26 September 2022 10:16 CEST | Original file | https://www.mdpi.com/2504-3900/2/6/317 |
| article pdf uploaded. | 23 March 2018 04:33 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/6/317/pdf |
| article pdf uploaded. | 12 February 2018 02:38 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/6/317/pdf-vor |
| article pdf uploaded. | 11 February 2018 12:56 CET | Version of Record | https://www.mdpi.com/2504-3900/2/6/317/pdf-vor |
