| article html file updated | 9 February 2020 05:46 CET | Update | https://www.mdpi.com/2075-163X/8/2/52 |
| article html file updated | 30 September 2019 14:15 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:23 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:26 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:28 CET | Update | N/A |
| article html file updated | 14 March 2018 15:04 CET | Update | N/A |
| article html file updated | 7 February 2018 07:38 CET | Original file | N/A |
| article xml uploaded. | 7 February 2018 07:37 CET | Update | https://www.mdpi.com/2075-163X/8/2/52/xml |
| article xml uploaded. | 7 February 2018 07:37 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2018 07:37 CET | Version of Record | https://www.mdpi.com/2075-163X/8/2/52/pdf |
