| article html file updated | 9 February 2020 14:51 CET | Update | https://www.mdpi.com/2227-9032/6/2/36 |
| article html file updated | 1 May 2019 01:28 CEST | Update | N/A |
| article html file updated | 17 April 2019 02:04 CEST | Update | N/A |
| article html file updated | 29 March 2019 18:05 CET | Update | N/A |
| article html file updated | 23 April 2018 05:25 CEST | Original file | N/A |
| article pdf uploaded. | 23 April 2018 05:24 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/2/36/pdf |
| article xml uploaded. | 23 April 2018 05:24 CEST | Update | https://www.mdpi.com/2227-9032/6/2/36/xml |
| article xml file uploaded | 23 April 2018 05:24 CEST | Original file | N/A |
