| article html file updated | 8 February 2020 18:32 CET | Update | https://www.mdpi.com/2220-9964/6/10/303 |
| article html file updated | 27 September 2019 18:55 CEST | Update | N/A |
| article html file updated | 2 May 2019 21:07 CEST | Update | N/A |
| article html file updated | 1 November 2017 02:31 CET | Update | N/A |
| article html file updated | 16 October 2017 08:31 CEST | Original file | N/A |
| article xml uploaded. | 16 October 2017 08:30 CEST | Original file | https://www.mdpi.com/2220-9964/6/10/303/xml |
| article pdf uploaded. | 16 October 2017 08:30 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/10/303/pdf |
| article pdf uploaded. | 15 October 2017 14:21 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/10/303/pdf-vor |
