| article html file updated | 11 February 2020 13:15 CET | Update | https://www.mdpi.com/2312-7481/5/1/9 |
| article html file updated | 14 October 2019 08:41 CEST | Update | - |
| article html file updated | 26 April 2019 22:07 CEST | Update | - |
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| article html file updated | 14 March 2019 12:14 CET | Original file | - |
| article pdf uploaded. | 14 March 2019 12:13 CET | Updated version of record | https://www.mdpi.com/2312-7481/5/1/9/pdf |
| article xml uploaded. | 14 March 2019 12:13 CET | Update | https://www.mdpi.com/2312-7481/5/1/9/xml |
| article xml file uploaded | 14 March 2019 12:13 CET | Update | - |
| article pdf uploaded. | 2 February 2019 07:53 CET | Updated version of record | https://www.mdpi.com/2312-7481/5/1/9/pdf-vor |
| article pdf uploaded. | 1 February 2019 13:12 CET | Version of Record | https://www.mdpi.com/2312-7481/5/1/9/pdf-vor |
| article xml file uploaded | 1 February 2019 13:12 CET | Original file | - |