| article html file updated | 7 February 2020 22:35 CET | Update | https://www.mdpi.com/2073-4360/9/2/47 |
| article html file updated | 23 September 2019 03:24 CEST | Update | - |
| article html file updated | 4 May 2019 12:53 CEST | Update | - |
| article html file updated | 20 March 2019 06:34 CET | Update | - |
| article html file updated | 1 March 2017 11:12 CET | Update | - |
| article html file updated | 17 February 2017 01:36 CET | Update | - |
| article xml uploaded. | 17 February 2017 01:34 CET | Update | https://www.mdpi.com/2073-4360/9/2/47/xml |
| article xml uploaded. | 17 February 2017 01:34 CET | Update | - |
| article pdf uploaded. | 17 February 2017 01:34 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/2/47/pdf |
| article html file updated | 15 February 2017 11:53 CET | Original file | - |
| article xml uploaded. | 15 February 2017 11:52 CET | Update | - |
| article xml uploaded. | 15 February 2017 11:52 CET | Original file | - |
| article pdf uploaded. | 15 February 2017 11:52 CET | Updated version of record | https://www.mdpi.com/2073-4360/9/2/47/pdf-vor |
| article pdf uploaded. | 2 February 2017 12:10 CET | Version of Record | https://www.mdpi.com/2073-4360/9/2/47/pdf-vor |
