| article html file updated | 30 March 2023 09:32 CEST | Update | https://www.mdpi.com/2076-0787/6/2/28 |
| article xml uploaded. | 30 March 2023 09:31 CEST | Update | https://www.mdpi.com/2076-0787/6/2/28/xml |
| article html file updated | 8 February 2020 05:49 CET | Update | N/A |
| article html file updated | 3 May 2019 22:07 CEST | Update | N/A |
| article html file updated | 16 June 2017 09:23 CEST | Update | N/A |
| article pdf uploaded. | 16 June 2017 09:21 CEST | Updated version of record | https://www.mdpi.com/2076-0787/6/2/28/pdf |
| article html file updated | 23 May 2017 04:12 CEST | Update | N/A |
| article html file updated | 13 May 2017 12:26 CEST | Original file | N/A |
| article pdf uploaded. | 13 May 2017 12:24 CEST | Version of Record | https://www.mdpi.com/2076-0787/6/2/28/pdf-vor |
