| article html file updated | 26 September 2022 11:28 CEST | Original file | https://www.mdpi.com/2504-3900/2/1/61 |
| article pdf uploaded. | 9 February 2018 12:35 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/1/61/pdf |
| article pdf uploaded. | 6 February 2018 10:07 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/1/61/pdf-vor |
| article pdf uploaded. | 6 February 2018 10:03 CET | Updated version of record | https://www.mdpi.com/2504-3900/2/1/61/pdf-vor |
| article pdf uploaded. | 3 January 2018 11:38 CET | Version of Record | https://www.mdpi.com/2504-3900/2/1/61/pdf-vor |
