| article html file updated | 9 February 2020 05:07 CET | Update | https://www.mdpi.com/2414-4088/2/1/5 |
| article html file updated | 30 September 2019 10:08 CEST | Update | - |
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| article html file updated | 2 February 2018 23:54 CET | Update | - |
| article xml uploaded. | 2 February 2018 03:25 CET | Update | https://www.mdpi.com/2414-4088/2/1/5/xml |
| article pdf uploaded. | 2 February 2018 03:25 CET | Updated version of record | https://www.mdpi.com/2414-4088/2/1/5/pdf |
| article html file updated | 1 February 2018 07:29 CET | Original file | - |
| article xml uploaded. | 1 February 2018 07:28 CET | Update | - |
| article xml uploaded. | 1 February 2018 07:28 CET | Original file | - |
| article pdf uploaded. | 1 February 2018 07:28 CET | Version of Record | https://www.mdpi.com/2414-4088/2/1/5/pdf-vor |
