| article html file updated | 9 February 2020 15:16 CET | Update | https://www.mdpi.com/2227-9032/6/2/38 |
| article html file updated | 2 October 2019 23:21 CEST | Update | N/A |
| article html file updated | 1 May 2019 00:41 CEST | Update | N/A |
| article html file updated | 17 April 2019 01:20 CEST | Update | N/A |
| article html file updated | 29 March 2019 19:05 CET | Update | N/A |
| article html file updated | 25 April 2018 09:34 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2018 09:33 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/2/38/pdf |
| article xml uploaded. | 25 April 2018 09:33 CEST | Update | https://www.mdpi.com/2227-9032/6/2/38/xml |
| article xml file uploaded | 25 April 2018 09:33 CEST | Original file | N/A |