| article html file updated | 11 February 2020 14:28 CET | Update | https://www.mdpi.com/2227-9067/6/2/25 |
| article html file updated | 14 October 2019 15:31 CEST | Update | N/A |
| article html file updated | 26 April 2019 19:50 CEST | Update | N/A |
| article html file updated | 12 April 2019 15:43 CEST | Update | N/A |
| article html file updated | 3 April 2019 16:47 CEST | Update | N/A |
| article html file updated | 28 February 2019 17:14 CET | Update | N/A |
| article html file updated | 19 February 2019 11:17 CET | Original file | N/A |
| article pdf uploaded. | 19 February 2019 11:16 CET | Updated version of record | https://www.mdpi.com/2227-9067/6/2/25/pdf |
| article xml uploaded. | 19 February 2019 11:16 CET | Update | https://www.mdpi.com/2227-9067/6/2/25/xml |
| article xml file uploaded | 19 February 2019 11:16 CET | Update | N/A |
| article pdf uploaded. | 7 February 2019 16:43 CET | Version of Record | N/A |
| article xml file uploaded | 7 February 2019 16:43 CET | Original file | N/A |
