| article html file updated | 11 February 2020 06:53 CET | Update | https://www.mdpi.com/2075-4701/9/1/42 |
| article html file updated | 12 October 2019 22:03 CEST | Update | N/A |
| article html file updated | 27 April 2019 11:01 CEST | Update | N/A |
| article html file updated | 13 April 2019 07:00 CEST | Update | N/A |
| article html file updated | 2 April 2019 22:34 CEST | Update | N/A |
| article html file updated | 1 March 2019 20:27 CET | Update | N/A |
| article html file updated | 30 January 2019 04:09 CET | Update | N/A |
| article html file updated | 6 January 2019 00:47 CET | Original file | N/A |
| article pdf uploaded. | 5 January 2019 11:08 CET | Version of Record | https://www.mdpi.com/2075-4701/9/1/42/pdf |
| article xml uploaded. | 5 January 2019 11:08 CET | Update | https://www.mdpi.com/2075-4701/9/1/42/xml |
| article xml file uploaded | 5 January 2019 11:08 CET | Original file | N/A |