| article html file updated | 11 February 2020 11:33 CET | Update | https://www.mdpi.com/2227-9067/6/2/15 |
| article html file updated | 13 October 2019 22:40 CEST | Update | N/A |
| article html file updated | 27 April 2019 01:27 CEST | Update | N/A |
| article html file updated | 12 April 2019 21:24 CEST | Update | N/A |
| article html file updated | 3 April 2019 09:32 CEST | Update | N/A |
| article html file updated | 12 February 2019 04:26 CET | Update | N/A |
| article pdf uploaded. | 12 February 2019 04:25 CET | Updated version of record | https://www.mdpi.com/2227-9067/6/2/15/pdf |
| article xml uploaded. | 12 February 2019 04:25 CET | Update | https://www.mdpi.com/2227-9067/6/2/15/xml |
| article xml file uploaded | 12 February 2019 04:25 CET | Update | N/A |
| article html file updated | 3 February 2019 09:12 CET | Original file | N/A |
| article pdf uploaded. | 3 February 2019 09:10 CET | Updated version of record | https://www.mdpi.com/2227-9067/6/2/15/pdf-vor |
| article xml uploaded. | 3 February 2019 09:10 CET | Update | N/A |
| article xml file uploaded | 3 February 2019 09:10 CET | Update | N/A |
| article pdf uploaded. | 25 January 2019 13:44 CET | Version of Record | https://www.mdpi.com/2227-9067/6/2/15/pdf-vor |
| article xml file uploaded | 25 January 2019 13:44 CET | Original file | N/A |
