| article html file updated | 9 February 2020 18:41 CET | Update | https://www.mdpi.com/2227-9032/6/2/53 |
| article html file updated | 3 October 2019 21:06 CEST | Update | N/A |
| article html file updated | 30 April 2019 17:27 CEST | Update | N/A |
| article html file updated | 16 April 2019 17:53 CEST | Update | N/A |
| article html file updated | 30 March 2019 03:43 CET | Update | N/A |
| article html file updated | 23 May 2018 10:31 CEST | Original file | N/A |
| article pdf uploaded. | 23 May 2018 10:30 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/2/53/pdf |
| article xml uploaded. | 23 May 2018 10:30 CEST | Update | https://www.mdpi.com/2227-9032/6/2/53/xml |
| article xml file uploaded | 23 May 2018 10:30 CEST | Original file | N/A |