| article html file updated | 31 August 2025 11:02 CEST | Update | https://www.mdpi.com/2226-4787/8/1/18 |
| article html file updated | 20 July 2022 19:33 CEST | Update | - |
| article html file updated | 2 April 2020 12:21 CEST | Update | - |
| article html file updated | 9 March 2020 11:47 CET | Original file | - |
| article pdf uploaded. | 9 March 2020 11:46 CET | Updated version of record | https://www.mdpi.com/2226-4787/8/1/18/pdf |
| article xml uploaded. | 9 March 2020 11:46 CET | Update | https://www.mdpi.com/2226-4787/8/1/18/xml |
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| article pdf uploaded. | 7 February 2020 13:43 CET | Version of Record | https://www.mdpi.com/2226-4787/8/1/18/pdf-vor |
| article xml file uploaded | 7 February 2020 13:43 CET | Original file | - |
