| article html file updated | 12 February 2020 02:13 CET | Update | https://www.mdpi.com/1911-8074/12/2/51 |
| article html file updated | 17 October 2019 13:25 CEST | Update | - |
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| article html file updated | 25 April 2019 18:29 CEST | Update | - |
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| article html file updated | 10 April 2019 08:42 CEST | Update | - |
| article html file updated | 1 April 2019 14:05 CEST | Original file | - |
| article pdf uploaded. | 1 April 2019 14:04 CEST | Version of Record | https://www.mdpi.com/1911-8074/12/2/51/pdf |
| article xml uploaded. | 1 April 2019 14:04 CEST | Update | https://www.mdpi.com/1911-8074/12/2/51/xml |
| article xml file uploaded | 1 April 2019 14:03 CEST | Original file | - |
