| article html file updated | 7 February 2020 20:32 CET | Update | https://www.mdpi.com/2072-6643/9/1/18 |
| article html file updated | 22 September 2019 16:30 CEST | Update | N/A |
| article html file updated | 4 May 2019 17:20 CEST | Update | N/A |
| article html file updated | 7 February 2017 12:19 CET | Update | N/A |
| article html file updated | 5 January 2017 10:23 CET | Update | N/A |
| article xml uploaded. | 5 January 2017 10:22 CET | Update | https://www.mdpi.com/2072-6643/9/1/18/xml |
| article pdf uploaded. | 5 January 2017 10:22 CET | Updated version of record | https://www.mdpi.com/2072-6643/9/1/18/pdf |
| article html file updated | 30 December 2016 07:14 CET | Original file | N/A |
| article xml uploaded. | 30 December 2016 07:12 CET | Original file | N/A |
| article pdf uploaded. | 30 December 2016 07:12 CET | Version of Record | https://www.mdpi.com/2072-6643/9/1/18/pdf-vor |
