| article html file updated | 11 February 2020 10:28 CET | Update | https://www.mdpi.com/2304-8158/8/1/39 |
| article html file updated | 13 October 2019 16:50 CEST | Update | N/A |
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| article html file updated | 21 January 2019 11:00 CET | Original file | N/A |
| article pdf uploaded. | 21 January 2019 10:58 CET | Version of Record | https://www.mdpi.com/2304-8158/8/1/39/pdf |
| article xml uploaded. | 21 January 2019 10:58 CET | Update | https://www.mdpi.com/2304-8158/8/1/39/xml |
| article xml file uploaded | 21 January 2019 10:58 CET | Original file | N/A |