| article html file updated | 7 February 2020 23:57 CET | Update | https://www.mdpi.com/2073-4441/9/2/141 |
| article html file updated | 23 September 2019 11:04 CEST | Update | N/A |
| article html file updated | 4 May 2019 10:08 CEST | Update | N/A |
| article html file updated | 1 March 2017 08:11 CET | Update | N/A |
| article html file updated | 22 February 2017 06:49 CET | Original file | N/A |
| article xml uploaded. | 22 February 2017 06:48 CET | Update | https://www.mdpi.com/2073-4441/9/2/141/xml |
| article xml uploaded. | 22 February 2017 06:48 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2017 06:48 CET | Version of Record | https://www.mdpi.com/2073-4441/9/2/141/pdf |
