| article html file updated | 9 February 2020 04:20 CET | Update | https://www.mdpi.com/2075-163X/8/2/40 |
| article html file updated | 30 September 2019 05:22 CEST | Update | N/A |
| article html file updated | 1 May 2019 23:36 CEST | Update | N/A |
| article html file updated | 17 April 2019 22:10 CEST | Update | N/A |
| article html file updated | 28 March 2019 18:19 CET | Update | N/A |
| article html file updated | 14 March 2018 15:01 CET | Update | N/A |
| article html file updated | 25 January 2018 13:04 CET | Original file | N/A |
| article xml uploaded. | 25 January 2018 13:03 CET | Update | https://www.mdpi.com/2075-163X/8/2/40/xml |
| article xml uploaded. | 25 January 2018 13:03 CET | Original file | N/A |
| article pdf uploaded. | 25 January 2018 13:03 CET | Version of Record | https://www.mdpi.com/2075-163X/8/2/40/pdf |
