| article html file updated | 31 August 2025 03:19 CEST | Update | https://www.mdpi.com/2306-5338/6/4/91 |
| article html file updated | 20 July 2022 01:08 CEST | Update | N/A |
| article html file updated | 14 February 2020 03:00 CET | Update | N/A |
| article html file updated | 31 December 2019 18:27 CET | Update | N/A |
| article html file updated | 4 November 2019 01:05 CET | Original file | N/A |
| article pdf uploaded. | 4 November 2019 01:04 CET | Updated version of record | https://www.mdpi.com/2306-5338/6/4/91/pdf |
| article xml uploaded. | 4 November 2019 01:04 CET | Update | https://www.mdpi.com/2306-5338/6/4/91/xml |
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| article pdf uploaded. | 22 October 2019 15:32 CEST | Version of Record | https://www.mdpi.com/2306-5338/6/4/91/pdf-vor |
| article xml file uploaded | 22 October 2019 15:32 CEST | Original file | N/A |
