| article html file updated | 9 February 2020 16:45 CET | Update | https://www.mdpi.com/2306-5710/4/2/38 |
| article html file updated | 3 October 2019 08:38 CEST | Update | N/A |
| article html file updated | 30 April 2019 21:41 CEST | Update | N/A |
| article html file updated | 16 April 2019 22:09 CEST | Update | N/A |
| article html file updated | 29 March 2019 22:45 CET | Update | N/A |
| article html file updated | 10 May 2018 12:02 CEST | Update | N/A |
| article xml uploaded. | 10 May 2018 12:00 CEST | Update | https://www.mdpi.com/2306-5710/4/2/38/xml |
| article pdf uploaded. | 10 May 2018 12:00 CEST | Updated version of record | https://www.mdpi.com/2306-5710/4/2/38/pdf |
| article html file updated | 8 May 2018 09:24 CEST | Original file | N/A |
| article pdf uploaded. | 8 May 2018 09:23 CEST | Version of Record | https://www.mdpi.com/2306-5710/4/2/38/pdf-vor |
| article xml file uploaded | 8 May 2018 09:23 CEST | Original file | N/A |