| article html file updated | 30 August 2025 10:52 CEST | Update | https://www.mdpi.com/2227-7099/7/1/4 |
| article html file updated | 17 July 2022 22:15 CEST | Update | N/A |
| article html file updated | 11 February 2020 08:07 CET | Update | N/A |
| article html file updated | 13 October 2019 04:33 CEST | Update | N/A |
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| article html file updated | 3 April 2019 01:27 CEST | Update | N/A |
| article html file updated | 15 January 2019 09:29 CET | Original file | N/A |
| article pdf uploaded. | 15 January 2019 09:28 CET | Updated version of record | https://www.mdpi.com/2227-7099/7/1/4/pdf |
| article xml uploaded. | 15 January 2019 09:28 CET | Update | https://www.mdpi.com/2227-7099/7/1/4/xml |
| article xml file uploaded | 15 January 2019 09:28 CET | Update | N/A |
| article pdf uploaded. | 10 January 2019 17:53 CET | Updated version of record | https://www.mdpi.com/2227-7099/7/1/4/pdf-vor |
| article pdf uploaded. | 10 January 2019 17:52 CET | Updated version of record | https://www.mdpi.com/2227-7099/7/1/4/pdf-vor |
| article pdf uploaded. | 10 January 2019 17:36 CET | Version of Record | https://www.mdpi.com/2227-7099/7/1/4/pdf-vor |
| article xml file uploaded | 10 January 2019 17:36 CET | Original file | N/A |
