| article html file updated | 8 February 2020 00:17 CET | Update | https://www.mdpi.com/2073-4433/8/3/48 |
| article html file updated | 23 September 2019 13:03 CEST | Update | - |
| article html file updated | 4 May 2019 09:22 CEST | Update | - |
| article html file updated | 27 March 2017 09:44 CEST | Update | - |
| article html file updated | 1 March 2017 03:59 CET | Original file | - |
| article xml uploaded. | 1 March 2017 03:53 CET | Original file | https://www.mdpi.com/2073-4433/8/3/48/xml |
| article pdf uploaded. | 1 March 2017 03:53 CET | Updated version of record | https://www.mdpi.com/2073-4433/8/3/48/pdf |
| article pdf uploaded. | 25 February 2017 11:20 CET | Version of Record | https://www.mdpi.com/2073-4433/8/3/48/pdf-vor |
