| article html file updated | 11 February 2020 21:06 CET | Update | https://www.mdpi.com/2306-5729/4/1/39 |
| article html file updated | 16 October 2019 08:01 CEST | Update | - |
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| article html file updated | 9 March 2019 07:09 CET | Original file | - |
| article supplementary file uploaded. | 9 March 2019 07:07 CET | - | https://www.mdpi.com/2306-5729/4/1/39#supplementary |
| article pdf uploaded. | 9 March 2019 07:07 CET | Version of Record | https://www.mdpi.com/2306-5729/4/1/39/pdf |
| article xml uploaded. | 9 March 2019 07:07 CET | Update | https://www.mdpi.com/2306-5729/4/1/39/xml |
| article xml file uploaded | 9 March 2019 07:07 CET | Original file | - |