| article html file updated | 8 February 2020 06:23 CET | Update | https://www.mdpi.com/2227-9032/5/2/25 |
| article html file updated | 3 May 2019 21:01 CEST | Update | N/A |
| article html file updated | 30 June 2017 05:40 CEST | Update | N/A |
| article html file updated | 22 May 2017 09:17 CEST | Original file | N/A |
| article xml uploaded. | 22 May 2017 09:15 CEST | Original file | https://www.mdpi.com/2227-9032/5/2/25/xml |
| article pdf uploaded. | 22 May 2017 09:15 CEST | Updated version of record | https://www.mdpi.com/2227-9032/5/2/25/pdf |
| article pdf uploaded. | 20 May 2017 14:10 CEST | Version of Record | https://www.mdpi.com/2227-9032/5/2/25/pdf-vor |
