| article html file updated | 31 August 2025 03:08 CEST | Update | https://www.mdpi.com/2227-9040/7/4/49 |
| article html file updated | 20 July 2022 01:21 CEST | Update | N/A |
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| article html file updated | 30 December 2019 23:46 CET | Update | N/A |
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| article pdf uploaded. | 3 December 2019 02:53 CET | Updated version of record | https://www.mdpi.com/2227-9040/7/4/49/pdf |
| article xml uploaded. | 3 December 2019 02:53 CET | Update | https://www.mdpi.com/2227-9040/7/4/49/xml |
| article xml file uploaded | 3 December 2019 02:52 CET | Update | N/A |
| article html file updated | 18 October 2019 13:03 CEST | Original file | N/A |
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| article xml uploaded. | 18 October 2019 13:02 CEST | Update | N/A |
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