| article html file updated | 31 August 2025 13:36 CEST | Update | https://www.mdpi.com/2304-6732/7/1/21 |
| article html file updated | 20 July 2022 22:05 CEST | Update | N/A |
| article html file updated | 1 April 2020 21:07 CEST | Update | N/A |
| article html file updated | 27 March 2020 07:12 CET | Original file | N/A |
| article pdf uploaded. | 27 March 2020 07:11 CET | Updated version of record | https://www.mdpi.com/2304-6732/7/1/21/pdf |
| article xml uploaded. | 27 March 2020 07:11 CET | Update | https://www.mdpi.com/2304-6732/7/1/21/xml |
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| article pdf uploaded. | 5 March 2020 14:45 CET | Version of Record | https://www.mdpi.com/2304-6732/7/1/21/pdf-vor |
| article xml file uploaded | 5 March 2020 14:45 CET | Original file | N/A |
