| article html file updated | 12 February 2020 08:19 CET | Update | https://www.mdpi.com/2306-5729/4/2/57 |
| article html file updated | 19 October 2019 03:33 CEST | Update | N/A |
| article html file updated | 4 July 2019 17:52 CEST | Update | N/A |
| article html file updated | 15 May 2019 12:35 CEST | Original file | N/A |
| article pdf uploaded. | 15 May 2019 12:34 CEST | Updated version of record | https://www.mdpi.com/2306-5729/4/2/57/pdf |
| article xml uploaded. | 15 May 2019 12:34 CEST | Update | https://www.mdpi.com/2306-5729/4/2/57/xml |
| article xml file uploaded | 15 May 2019 12:34 CEST | Update | N/A |
| article pdf uploaded. | 27 April 2019 12:39 CEST | Version of Record | https://www.mdpi.com/2306-5729/4/2/57/pdf-vor |
| article xml file uploaded | 27 April 2019 12:39 CEST | Original file | N/A |
