| article html file updated | 8 February 2020 13:04 CET | Update | https://www.mdpi.com/2076-0760/6/3/89 |
| article html file updated | 26 September 2019 10:27 CEST | Update | N/A |
| article html file updated | 3 May 2019 07:53 CEST | Update | N/A |
| article html file updated | 27 March 2019 19:51 CET | Update | N/A |
| article html file updated | 8 August 2017 12:00 CEST | Original file | N/A |
| article xml uploaded. | 8 August 2017 11:59 CEST | Original file | https://www.mdpi.com/2076-0760/6/3/89/xml |
| article pdf uploaded. | 8 August 2017 11:59 CEST | Version of Record | https://www.mdpi.com/2076-0760/6/3/89/pdf |
