| article html file updated | 8 February 2020 15:57 CET | Update | https://www.mdpi.com/2227-9032/5/3/57 |
| article html file updated | 27 September 2019 02:11 CEST | Update | N/A |
| article html file updated | 3 May 2019 02:24 CEST | Update | N/A |
| article html file updated | 30 September 2017 12:00 CEST | Update | N/A |
| article html file updated | 13 September 2017 13:00 CEST | Original file | N/A |
| article xml uploaded. | 13 September 2017 12:59 CEST | Original file | https://www.mdpi.com/2227-9032/5/3/57/xml |
| article pdf uploaded. | 13 September 2017 12:59 CEST | Updated version of record | https://www.mdpi.com/2227-9032/5/3/57/pdf |
| article pdf uploaded. | 12 September 2017 11:15 CEST | Version of Record | https://www.mdpi.com/2227-9032/5/3/57/pdf-vor |
