| article html file updated | 1 September 2025 14:15 CEST | Update | https://www.mdpi.com/2409-9279/3/4/81 |
| article html file updated | 23 July 2022 02:18 CEST | Update | - |
| article html file updated | 26 November 2020 04:29 CET | Update | - |
| article pdf uploaded. | 26 November 2020 04:28 CET | Updated version of record | https://www.mdpi.com/2409-9279/3/4/81/pdf |
| article xml uploaded. | 26 November 2020 04:28 CET | Update | https://www.mdpi.com/2409-9279/3/4/81/xml |
| article xml file uploaded | 26 November 2020 04:28 CET | Update | - |
| article html file updated | 25 November 2020 06:40 CET | Update | - |
| article pdf uploaded. | 25 November 2020 06:39 CET | Updated version of record | https://www.mdpi.com/2409-9279/3/4/81/pdf-vor |
| article xml uploaded. | 25 November 2020 06:39 CET | Update | - |
| article xml file uploaded | 25 November 2020 06:39 CET | Update | - |
| article html file updated | 25 November 2020 06:38 CET | Update | - |
| article html file updated | 25 November 2020 06:38 CET | Update | - |
| article pdf uploaded. | 25 November 2020 06:37 CET | Updated version of record | https://www.mdpi.com/2409-9279/3/4/81/pdf-vor |
| article pdf uploaded. | 25 November 2020 06:36 CET | Updated version of record | https://www.mdpi.com/2409-9279/3/4/81/pdf-vor |
| article xml uploaded. | 25 November 2020 06:36 CET | Update | - |
| article xml file uploaded | 25 November 2020 06:36 CET | Update | - |
| article html file updated | 24 November 2020 10:46 CET | Original file | - |
| article pdf uploaded. | 24 November 2020 10:44 CET | Version of Record | https://www.mdpi.com/2409-9279/3/4/81/pdf-vor |
| article xml uploaded. | 24 November 2020 10:44 CET | Update | - |
| article xml file uploaded | 24 November 2020 10:44 CET | Original file | - |
