| article html file updated | 30 August 2025 20:21 CEST | Update | https://www.mdpi.com/2199-8531/5/2/31 |
| article html file updated | 19 July 2022 19:13 CEST | Update | N/A |
| article html file updated | 12 February 2020 15:43 CET | Update | N/A |
| article html file updated | 20 October 2019 20:49 CEST | Update | N/A |
| article html file updated | 24 June 2019 09:35 CEST | Original file | N/A |
| article pdf uploaded. | 24 June 2019 09:33 CEST | Updated version of record | https://www.mdpi.com/2199-8531/5/2/31/pdf |
| article xml uploaded. | 24 June 2019 09:33 CEST | Update | https://www.mdpi.com/2199-8531/5/2/31/xml |
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| article pdf uploaded. | 28 May 2019 10:43 CEST | Version of Record | https://www.mdpi.com/2199-8531/5/2/31/pdf-vor |
| article xml file uploaded | 28 May 2019 10:43 CEST | Original file | N/A |
