| article html file updated | 7 February 2020 11:01 CET | Update | https://www.mdpi.com/2227-9032/4/3/38 |
| article html file updated | 21 September 2019 20:08 CEST | Update | N/A |
| article html file updated | 5 May 2019 11:22 CEST | Update | N/A |
| article html file updated | 27 March 2019 09:01 CET | Update | N/A |
| article html file updated | 29 September 2016 12:13 CEST | Update | N/A |
| article html file updated | 30 June 2016 11:14 CEST | Original file | N/A |
| article xml uploaded. | 30 June 2016 11:13 CEST | Original file | https://www.mdpi.com/2227-9032/4/3/38/xml |
| article pdf uploaded. | 30 June 2016 11:13 CEST | Version of Record | https://www.mdpi.com/2227-9032/4/3/38/pdf |
