| article html file updated | 9 February 2020 07:26 CET | Update | https://www.mdpi.com/2076-0760/7/2/30 |
| article html file updated | 30 September 2019 23:58 CEST | Update | N/A |
| article html file updated | 1 May 2019 16:46 CEST | Update | N/A |
| article html file updated | 17 April 2019 16:09 CEST | Update | N/A |
| article html file updated | 29 March 2019 01:01 CET | Update | N/A |
| article html file updated | 24 February 2018 12:20 CET | Original file | N/A |
| article xml uploaded. | 24 February 2018 12:19 CET | Original file | https://www.mdpi.com/2076-0760/7/2/30/xml |
| article pdf uploaded. | 24 February 2018 12:19 CET | Updated version of record | https://www.mdpi.com/2076-0760/7/2/30/pdf |
| article pdf uploaded. | 23 February 2018 15:33 CET | Version of Record | https://www.mdpi.com/2076-0760/7/2/30/pdf-vor |
