| article html file updated | 18 August 2026 11:02 CEST | Update | https://www.mdpi.com/2297-8739/7/4/67 |
| article html file updated | 1 September 2025 14:32 CEST | Update | N/A |
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| article html file updated | 1 December 2020 13:34 CET | Update | N/A |
| article pdf uploaded. | 1 December 2020 13:32 CET | Updated version of record | https://www.mdpi.com/2297-8739/7/4/67/pdf |
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| article xml file uploaded | 1 December 2020 13:32 CET | Update | N/A |
| article html file updated | 1 December 2020 07:44 CET | Update | N/A |
| article pdf uploaded. | 1 December 2020 07:43 CET | Updated version of record | https://www.mdpi.com/2297-8739/7/4/67/pdf-vor |
| article html file updated | 1 December 2020 07:41 CET | Update | N/A |
| article xml uploaded. | 1 December 2020 07:39 CET | Update | N/A |
| article pdf uploaded. | 1 December 2020 07:39 CET | Updated version of record | https://www.mdpi.com/2297-8739/7/4/67/pdf-vor |
| article xml file uploaded | 1 December 2020 07:39 CET | Update | N/A |
| article html file updated | 1 December 2020 07:34 CET | Update | N/A |
| article pdf uploaded. | 1 December 2020 07:31 CET | Updated version of record | https://www.mdpi.com/2297-8739/7/4/67/pdf-vor |
| article xml uploaded. | 1 December 2020 07:31 CET | Update | N/A |
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| article html file updated | 26 November 2020 16:29 CET | Original file | N/A |
| article pdf uploaded. | 26 November 2020 16:28 CET | Version of Record | https://www.mdpi.com/2297-8739/7/4/67/pdf-vor |
| article xml uploaded. | 26 November 2020 16:28 CET | Update | N/A |
| article xml file uploaded | 26 November 2020 16:28 CET | Original file | N/A |
