| article html file updated | 12 February 2020 04:47 CET | Update | https://www.mdpi.com/2313-0105/5/2/39 |
| article html file updated | 18 October 2019 04:51 CEST | Update | N/A |
| article html file updated | 4 July 2019 17:47 CEST | Update | N/A |
| article html file updated | 7 May 2019 11:31 CEST | Original file | N/A |
| article pdf uploaded. | 7 May 2019 09:29 CEST | Updated version of record | https://www.mdpi.com/2313-0105/5/2/39/pdf |
| article xml uploaded. | 7 May 2019 09:29 CEST | Update | https://www.mdpi.com/2313-0105/5/2/39/xml |
| article xml file uploaded | 7 May 2019 09:29 CEST | Update | N/A |
| article pdf uploaded. | 11 April 2019 17:19 CEST | Version of Record | https://www.mdpi.com/2313-0105/5/2/39/pdf-vor |
| article xml file uploaded | 11 April 2019 17:19 CEST | Original file | N/A |
