| article html file updated | 11 February 2020 22:59 CET | Update | https://www.mdpi.com/2226-4310/6/3/38 |
| article html file updated | 26 April 2019 01:37 CEST | Update | - |
| article html file updated | 11 April 2019 20:37 CEST | Update | - |
| article html file updated | 4 April 2019 15:19 CEST | Update | - |
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| article html file updated | 19 March 2019 03:28 CET | Update | - |
| article html file updated | 18 March 2019 15:32 CET | Original file | - |
| article pdf uploaded. | 18 March 2019 11:32 CET | Version of Record | https://www.mdpi.com/2226-4310/6/3/38/pdf |
| article xml uploaded. | 18 March 2019 11:32 CET | Update | https://www.mdpi.com/2226-4310/6/3/38/xml |
| article xml file uploaded | 18 March 2019 11:32 CET | Original file | - |
