| article html file updated | 30 August 2025 08:22 CEST | Update | https://www.mdpi.com/2226-471X/3/4/40 |
| article html file updated | 17 July 2022 06:59 CEST | Update | - |
| article html file updated | 10 February 2020 18:56 CET | Update | - |
| article html file updated | 28 April 2019 13:47 CEST | Update | - |
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| article html file updated | 19 November 2018 07:53 CET | Original file | - |
| article pdf uploaded. | 19 November 2018 07:52 CET | Updated version of record | https://www.mdpi.com/2226-471X/3/4/40/pdf |
| article xml uploaded. | 19 November 2018 07:52 CET | Update | https://www.mdpi.com/2226-471X/3/4/40/xml |
| article xml file uploaded | 19 November 2018 07:52 CET | Update | - |
| article pdf uploaded. | 31 October 2018 16:41 CET | Updated version of record | https://www.mdpi.com/2226-471X/3/4/40/pdf-vor |
| article pdf uploaded. | 31 October 2018 16:41 CET | Version of Record | https://www.mdpi.com/2226-471X/3/4/40/pdf-vor |
| article xml file uploaded | 31 October 2018 16:41 CET | Original file | - |
