| article html file updated | 8 February 2020 01:44 CET | Update | https://www.mdpi.com/2072-6643/9/3/303 |
| article html file updated | 23 September 2019 21:19 CEST | Update | - |
| article html file updated | 4 May 2019 06:07 CEST | Update | - |
| article html file updated | 28 March 2017 09:32 CEST | Update | - |
| article html file updated | 19 March 2017 08:37 CET | Original file | - |
| article xml uploaded. | 19 March 2017 08:36 CET | Update | https://www.mdpi.com/2072-6643/9/3/303/xml |
| article pdf uploaded. | 19 March 2017 08:35 CET | Updated version of record | https://www.mdpi.com/2072-6643/9/3/303/pdf |
| article pdf uploaded. | 18 March 2017 08:52 CET | Version of Record | https://www.mdpi.com/2072-6643/9/3/303/pdf-vor |
