| article html file updated | 11 February 2020 15:27 CET | Update | https://www.mdpi.com/2075-4701/9/2/218 |
| article html file updated | 14 October 2019 20:51 CEST | Update | - |
| article html file updated | 26 April 2019 17:53 CEST | Update | - |
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| article html file updated | 28 February 2019 21:54 CET | Update | - |
| article html file updated | 12 February 2019 16:31 CET | Original file | - |
| article pdf uploaded. | 12 February 2019 16:28 CET | Version of Record | https://www.mdpi.com/2075-4701/9/2/218/pdf |
| article xml uploaded. | 12 February 2019 16:28 CET | Update | https://www.mdpi.com/2075-4701/9/2/218/xml |
| article xml file uploaded | 12 February 2019 16:27 CET | Original file | - |
