| article html file updated | 11 February 2020 16:56 CET | Update | https://www.mdpi.com/2311-5521/4/1/30 |
| article html file updated | 15 October 2019 05:15 CEST | Update | N/A |
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| article html file updated | 1 March 2019 04:52 CET | Update | N/A |
| article html file updated | 24 February 2019 01:55 CET | Original file | N/A |
| article pdf uploaded. | 23 February 2019 10:25 CET | Updated version of record | https://www.mdpi.com/2311-5521/4/1/30/pdf |
| article xml uploaded. | 23 February 2019 10:25 CET | Update | https://www.mdpi.com/2311-5521/4/1/30/xml |
| article xml file uploaded | 23 February 2019 10:25 CET | Update | N/A |
| article pdf uploaded. | 18 February 2019 16:14 CET | Version of Record | https://www.mdpi.com/2311-5521/4/1/30/pdf-vor |
| article xml file uploaded | 18 February 2019 16:14 CET | Original file | N/A |