| article html file updated | 9 February 2020 22:39 CET | Update | https://www.mdpi.com/2226-4310/5/3/68 |
| article html file updated | 4 October 2019 21:46 CEST | Update | - |
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| article html file updated | 26 June 2018 11:51 CEST | Original file | - |
| article pdf uploaded. | 26 June 2018 11:49 CEST | Updated version of record | https://www.mdpi.com/2226-4310/5/3/68/pdf |
| article xml uploaded. | 26 June 2018 11:49 CEST | Update | https://www.mdpi.com/2226-4310/5/3/68/xml |
| article xml file uploaded | 26 June 2018 11:49 CEST | Update | - |
| article pdf uploaded. | 24 June 2018 11:51 CEST | Version of Record | https://www.mdpi.com/2226-4310/5/3/68/pdf-vor |
| article xml file uploaded | 24 June 2018 11:51 CEST | Original file | - |