| article html file updated | 11 February 2020 13:16 CET | Update | https://www.mdpi.com/2226-4310/6/2/13 |
| article html file updated | 14 October 2019 08:43 CEST | Update | - |
| article html file updated | 26 April 2019 22:06 CEST | Update | - |
| article html file updated | 12 April 2019 17:56 CEST | Update | - |
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| article html file updated | 28 February 2019 11:28 CET | Update | - |
| article html file updated | 15 February 2019 01:18 CET | Original file | - |
| article pdf uploaded. | 14 February 2019 11:28 CET | Updated version of record | https://www.mdpi.com/2226-4310/6/2/13/pdf |
| article xml uploaded. | 14 February 2019 11:28 CET | Update | https://www.mdpi.com/2226-4310/6/2/13/xml |
| article xml file uploaded | 14 February 2019 11:28 CET | Update | - |
| article pdf uploaded. | 1 February 2019 13:20 CET | Version of Record | https://www.mdpi.com/2226-4310/6/2/13/pdf-vor |
| article xml file uploaded | 1 February 2019 13:20 CET | Original file | - |
