| article html file updated | 1 September 2025 13:09 CEST | Update | https://www.mdpi.com/2226-471X/5/4/57 |
| article html file updated | 23 July 2022 00:34 CEST | Update | - |
| article html file updated | 13 November 2020 12:21 CET | Update | - |
| article pdf uploaded. | 13 November 2020 12:20 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/57/pdf |
| article html file updated | 13 November 2020 12:18 CET | Update | - |
| article pdf uploaded. | 13 November 2020 12:17 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/57/pdf-vor |
| article xml uploaded. | 13 November 2020 12:17 CET | Update | https://www.mdpi.com/2226-471X/5/4/57/xml |
| article xml file uploaded | 13 November 2020 12:17 CET | Update | - |
| article html file updated | 12 November 2020 09:30 CET | Update | - |
| article html file updated | 12 November 2020 09:28 CET | Update | - |
| article pdf uploaded. | 12 November 2020 09:28 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/57/pdf-vor |
| article pdf uploaded. | 12 November 2020 09:27 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/57/pdf-vor |
| article xml uploaded. | 12 November 2020 09:27 CET | Update | - |
| article xml file uploaded | 12 November 2020 09:27 CET | Update | - |
| article html file updated | 11 November 2020 08:56 CET | Update | - |
| article pdf uploaded. | 11 November 2020 08:53 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/57/pdf-vor |
| article html file updated | 11 November 2020 08:01 CET | Update | - |
| article pdf uploaded. | 11 November 2020 08:00 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/57/pdf-vor |
| article xml uploaded. | 11 November 2020 08:00 CET | Update | - |
| article xml file uploaded | 11 November 2020 08:00 CET | Update | - |
| article html file updated | 11 November 2020 07:59 CET | Update | - |
| article html file updated | 11 November 2020 07:59 CET | Update | - |
| article pdf uploaded. | 11 November 2020 07:58 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/57/pdf-vor |
| article pdf uploaded. | 11 November 2020 07:58 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/4/57/pdf-vor |
| article xml uploaded. | 11 November 2020 07:58 CET | Update | - |
| article xml file uploaded | 11 November 2020 07:58 CET | Update | - |
| article html file updated | 11 November 2020 05:22 CET | Original file | - |
| article xml file uploaded | 11 November 2020 05:20 CET | Update | - |
| article pdf uploaded. | 11 November 2020 05:20 CET | Version of Record | https://www.mdpi.com/2226-471X/5/4/57/pdf-vor |
| article xml uploaded. | 11 November 2020 05:20 CET | Original file | - |
