| article html file updated | 31 August 2025 08:28 CEST | Update | https://www.mdpi.com/1996-1073/13/2/306 |
| article html file updated | 19 July 2022 19:52 CEST | Update | N/A |
| article html file updated | 15 February 2020 01:03 CET | Update | N/A |
| article html file updated | 7 February 2020 13:54 CET | Update | N/A |
| article html file updated | 8 January 2020 11:46 CET | Update | N/A |
| article html file updated | 8 January 2020 11:45 CET | Original file | N/A |
| article pdf uploaded. | 8 January 2020 11:43 CET | Updated version of record | https://www.mdpi.com/1996-1073/13/2/306/pdf |
| article xml file uploaded | 8 January 2020 11:43 CET | Update | https://www.mdpi.com/1996-1073/13/2/306/xml |
| article xml file uploaded | 8 January 2020 11:43 CET | Original file | N/A |
