| article html file updated | 7 February 2020 22:45 CET | Update | https://www.mdpi.com/2079-8954/5/1/9 |
| article html file updated | 23 September 2019 04:22 CEST | Update | N/A |
| article html file updated | 4 May 2019 12:33 CEST | Update | N/A |
| article html file updated | 30 March 2017 09:02 CEST | Update | N/A |
| article html file updated | 8 February 2017 11:21 CET | Update | N/A |
| article xml uploaded. | 8 February 2017 10:59 CET | Update | https://www.mdpi.com/2079-8954/5/1/9/xml |
| article pdf uploaded. | 8 February 2017 10:59 CET | Updated version of record | https://www.mdpi.com/2079-8954/5/1/9/pdf |
| article html file updated | 6 February 2017 14:25 CET | Original file | N/A |
| article xml uploaded. | 6 February 2017 14:23 CET | Update | N/A |
| article xml uploaded. | 6 February 2017 14:23 CET | Original file | N/A |
| article pdf uploaded. | 6 February 2017 14:23 CET | Version of Record | https://www.mdpi.com/2079-8954/5/1/9/pdf-vor |
