| article html file updated | 11 February 2020 01:19 CET | Update | https://www.mdpi.com/2226-4787/6/4/127 |
| article html file updated | 11 October 2019 11:52 CEST | Update | N/A |
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| article html file updated | 6 December 2018 06:50 CET | Update | N/A |
| article pdf uploaded. | 6 December 2018 06:48 CET | Updated version of record | https://www.mdpi.com/2226-4787/6/4/127/pdf |
| article xml uploaded. | 6 December 2018 06:48 CET | Update | https://www.mdpi.com/2226-4787/6/4/127/xml |
| article xml file uploaded | 6 December 2018 06:48 CET | Update | N/A |
| article html file updated | 5 December 2018 10:44 CET | Original file | N/A |
| article pdf uploaded. | 5 December 2018 10:43 CET | Version of Record | https://www.mdpi.com/2226-4787/6/4/127/pdf-vor |
| article xml uploaded. | 5 December 2018 10:43 CET | Update | N/A |
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