| article html file updated | 31 August 2025 05:37 CEST | Update | https://www.mdpi.com/2075-1680/8/4/134 |
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| article pdf uploaded. | 6 December 2019 01:59 CET | Updated version of record | https://www.mdpi.com/2075-1680/8/4/134/pdf |
| article html file updated | 5 December 2019 03:45 CET | Update | N/A |
| article pdf uploaded. | 5 December 2019 03:44 CET | Updated version of record | https://www.mdpi.com/2075-1680/8/4/134/pdf-vor |
| article xml file uploaded | 5 December 2019 03:44 CET | Update | N/A |
| article html file updated | 5 December 2019 02:49 CET | Update | N/A |
| article pdf uploaded. | 5 December 2019 02:47 CET | Updated version of record | https://www.mdpi.com/2075-1680/8/4/134/pdf-vor |
| article xml uploaded. | 5 December 2019 02:47 CET | Update | N/A |
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| article html file updated | 3 December 2019 12:35 CET | Original file | N/A |
| article pdf uploaded. | 3 December 2019 12:33 CET | Version of Record | https://www.mdpi.com/2075-1680/8/4/134/pdf-vor |
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