| article html file updated | 31 August 2025 10:01 CEST | Update | https://www.mdpi.com/2227-9717/8/2/156 |
| article html file updated | 20 July 2022 18:32 CEST | Update | - |
| article html file updated | 6 March 2020 21:10 CET | Update | - |
| article html file updated | 15 February 2020 06:00 CET | Update | - |
| article html file updated | 27 January 2020 10:58 CET | Original file | - |
| article pdf uploaded. | 27 January 2020 10:56 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/156/pdf |
| article xml uploaded. | 27 January 2020 10:56 CET | Update | https://www.mdpi.com/2227-9717/8/2/156/xml |
| article xml file uploaded | 27 January 2020 10:56 CET | Original file | - |
