| article html file updated | 11 February 2020 14:46 CET | Update | https://www.mdpi.com/2304-6740/7/2/18 |
| article html file updated | 14 October 2019 17:17 CEST | Update | - |
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| article html file updated | 19 February 2019 02:35 CET | Original file | - |
| article pdf uploaded. | 19 February 2019 02:32 CET | Updated version of record | https://www.mdpi.com/2304-6740/7/2/18/pdf |
| article xml uploaded. | 19 February 2019 02:32 CET | Update | https://www.mdpi.com/2304-6740/7/2/18/xml |
| article xml file uploaded | 19 February 2019 02:32 CET | Update | - |
| article pdf uploaded. | 18 February 2019 12:05 CET | Updated version of record | https://www.mdpi.com/2304-6740/7/2/18/pdf-vor |
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| article xml file uploaded | 9 February 2019 17:29 CET | Original file | - |
| article pdf uploaded. | 9 February 2019 17:29 CET | Version of Record | https://www.mdpi.com/2304-6740/7/2/18/pdf-vor |