| article html file updated | 9 February 2020 06:02 CET | Update | https://www.mdpi.com/2075-4450/9/1/19 |
| article html file updated | 30 September 2019 15:52 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:47 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:54 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:04 CET | Update | N/A |
| article html file updated | 27 March 2018 14:33 CEST | Update | N/A |
| article html file updated | 9 February 2018 10:28 CET | Original file | N/A |
| article xml uploaded. | 9 February 2018 10:27 CET | Original file | https://www.mdpi.com/2075-4450/9/1/19/xml |
| article pdf uploaded. | 9 February 2018 10:27 CET | Version of Record | https://www.mdpi.com/2075-4450/9/1/19/pdf |
