| article html file updated | 11 February 2020 09:29 CET | Update | https://www.mdpi.com/2079-9268/9/1/2 |
| article html file updated | 27 April 2019 05:27 CEST | Update | N/A |
| article html file updated | 13 April 2019 01:32 CEST | Update | N/A |
| article html file updated | 3 April 2019 04:47 CEST | Update | N/A |
| article html file updated | 17 January 2019 03:52 CET | Update | N/A |
| article html file updated | 17 January 2019 03:50 CET | Update | N/A |
| article xml uploaded. | 17 January 2019 03:50 CET | Update | https://www.mdpi.com/2079-9268/9/1/2/xml |
| article pdf uploaded. | 17 January 2019 03:50 CET | Updated version of record | https://www.mdpi.com/2079-9268/9/1/2/pdf |
| article html file updated | 16 January 2019 14:17 CET | Original file | N/A |
| article xml uploaded. | 16 January 2019 14:16 CET | Original file | N/A |
| article pdf uploaded. | 16 January 2019 14:16 CET | Version of Record | N/A |
