| article html file updated | 11 February 2020 15:04 CET | Update | https://www.mdpi.com/1660-3397/17/2/109 |
| article html file updated | 14 October 2019 19:03 CEST | Update | - |
| article html file updated | 26 April 2019 18:34 CEST | Update | - |
| article html file updated | 12 April 2019 14:32 CEST | Update | - |
| article html file updated | 3 April 2019 18:17 CEST | Update | - |
| article html file updated | 4 March 2019 07:05 CET | Update | - |
| article html file updated | 28 February 2019 20:20 CET | Update | - |
| article html file updated | 22 February 2019 13:01 CET | Original file | - |
| article pdf uploaded. | 22 February 2019 13:00 CET | Updated version of record | https://www.mdpi.com/1660-3397/17/2/109/pdf |
| article xml uploaded. | 22 February 2019 13:00 CET | Update | https://www.mdpi.com/1660-3397/17/2/109/xml |
| article xml file uploaded | 22 February 2019 13:00 CET | Update | - |
| article pdf uploaded. | 11 February 2019 15:26 CET | Version of Record | https://www.mdpi.com/1660-3397/17/2/109/pdf-vor |
| article xml file uploaded | 11 February 2019 15:26 CET | Original file | - |