| article html file updated | 31 August 2025 08:27 CEST | Update | https://www.mdpi.com/2076-3921/9/1/56 |
| article html file updated | 19 July 2022 19:52 CEST | Update | N/A |
| article html file updated | 15 February 2020 01:02 CET | Update | N/A |
| article html file updated | 7 February 2020 14:25 CET | Update | N/A |
| article html file updated | 20 January 2020 03:19 CET | Update | N/A |
| article pdf uploaded. | 20 January 2020 03:18 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/1/56/pdf |
| article xml uploaded. | 20 January 2020 03:18 CET | Update | https://www.mdpi.com/2076-3921/9/1/56/xml |
| article xml file uploaded | 20 January 2020 03:18 CET | Update | N/A |
| article html file updated | 10 January 2020 10:33 CET | Update | N/A |
| article pdf uploaded. | 10 January 2020 10:32 CET | Updated version of record | https://www.mdpi.com/2076-3921/9/1/56/pdf-vor |
| article xml uploaded. | 10 January 2020 10:32 CET | Update | N/A |
| article xml file uploaded | 10 January 2020 10:32 CET | Update | N/A |
| article html file updated | 8 January 2020 11:27 CET | Original file | N/A |
| article pdf uploaded. | 8 January 2020 11:25 CET | Version of Record | https://www.mdpi.com/2076-3921/9/1/56/pdf-vor |
| article xml file uploaded | 8 January 2020 11:25 CET | Original file | N/A |
