| article html file updated | 18 March 2021 09:59 CET | Update | https://www.mdpi.com/1648-9144/57/2/157 |
| article html file updated | 10 February 2021 14:49 CET | Original file | - |
| article pdf uploaded. | 10 February 2021 14:48 CET | Updated version of record | https://www.mdpi.com/1648-9144/57/2/157/pdf |
| article xml uploaded. | 10 February 2021 14:48 CET | Update | https://www.mdpi.com/1648-9144/57/2/157/xml |
| article xml file uploaded | 10 February 2021 14:48 CET | Original file | - |
| article pdf uploaded. | 9 February 2021 11:04 CET | Version of Record | https://www.mdpi.com/1648-9144/57/2/157/pdf-vor |
