| article html file updated | 9 February 2020 06:04 CET | Update | https://www.mdpi.com/2073-4433/9/2/59 |
| article html file updated | 30 September 2019 16:01 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:43 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:50 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:08 CET | Update | N/A |
| article html file updated | 14 March 2018 10:42 CET | Update | N/A |
| article html file updated | 9 February 2018 13:23 CET | Original file | N/A |
| article xml uploaded. | 9 February 2018 13:21 CET | Original file | https://www.mdpi.com/2073-4433/9/2/59/xml |
| article pdf uploaded. | 9 February 2018 13:21 CET | Version of Record | https://www.mdpi.com/2073-4433/9/2/59/pdf |
