| article html file updated | 26 September 2022 15:08 CEST | Original file | https://www.mdpi.com/2504-3900/2/13/1109 |
| article pdf uploaded. | 7 December 2018 10:58 CET | Version of Record | https://www.mdpi.com/2504-3900/2/13/1109/pdf |
| article xml file uploaded | 7 December 2018 10:58 CET | Original file | https://www.mdpi.com/2504-3900/2/13/1109/xml |
