| article html file updated | 9 February 2020 11:37 CET | Update | https://www.mdpi.com/2075-163X/8/4/136 |
| article html file updated | 2 October 2019 01:30 CEST | Update | N/A |
| article html file updated | 1 May 2019 07:55 CEST | Update | N/A |
| article html file updated | 17 April 2019 07:53 CEST | Update | N/A |
| article html file updated | 29 March 2019 10:39 CET | Update | N/A |
| article html file updated | 1 May 2018 13:20 CEST | Update | N/A |
| article html file updated | 28 March 2018 16:15 CEST | Original file | N/A |
| article xml uploaded. | 28 March 2018 16:14 CEST | Original file | https://www.mdpi.com/2075-163X/8/4/136/xml |
| article pdf uploaded. | 28 March 2018 16:14 CEST | Version of Record | https://www.mdpi.com/2075-163X/8/4/136/pdf |
