| article html file updated | 7 February 2020 21:30 CET | Update | https://www.mdpi.com/2073-4352/7/1/25 |
| article html file updated | 22 September 2019 21:34 CEST | Update | N/A |
| article html file updated | 4 May 2019 15:15 CEST | Update | N/A |
| article html file updated | 7 February 2017 04:13 CET | Update | N/A |
| article html file updated | 14 January 2017 08:36 CET | Original file | N/A |
| article xml uploaded. | 14 January 2017 08:35 CET | Update | https://www.mdpi.com/2073-4352/7/1/25/xml |
| article xml uploaded. | 14 January 2017 08:35 CET | Original file | N/A |
| article pdf uploaded. | 14 January 2017 08:35 CET | Version of Record | https://www.mdpi.com/2073-4352/7/1/25/pdf |
