| article html file updated | 15 August 2026 18:25 CEST | Update | https://www.mdpi.com/2076-0752/8/1/31 |
| article html file updated | 11 February 2020 20:03 CET | Update | N/A |
| article html file updated | 26 April 2019 07:54 CEST | Update | N/A |
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| article html file updated | 5 March 2019 09:58 CET | Original file | N/A |
| article pdf uploaded. | 5 March 2019 09:56 CET | Version of Record | https://www.mdpi.com/2076-0752/8/1/31/pdf |
| article xml uploaded. | 5 March 2019 09:56 CET | Update | https://www.mdpi.com/2076-0752/8/1/31/xml |
| article xml file uploaded | 5 March 2019 09:56 CET | Original file | N/A |
