| article html file updated | 7 February 2020 04:16 CET | Update | https://www.mdpi.com/2072-6643/8/2/77 |
| article html file updated | 6 May 2019 00:59 CEST | Update | - |
| article html file updated | 26 March 2019 20:06 CET | Original file | - |
| article pdf uploaded. | 4 February 2016 10:33 CET | Updated version of record | https://www.mdpi.com/2072-6643/8/2/77/pdf |
| article xml uploaded. | 4 February 2016 10:33 CET | Update | https://www.mdpi.com/2072-6643/8/2/77/xml |
| article pdf uploaded. | 4 February 2016 09:50 CET | Version of Record | - |
| article xml uploaded. | 4 February 2016 09:50 CET | Original file | - |
