| article html file updated | 12 February 2020 09:55 CET | Update | https://www.mdpi.com/2076-0787/8/2/87 |
| article html file updated | 16 May 2019 13:55 CEST | Original file | N/A |
| article pdf uploaded. | 16 May 2019 13:54 CEST | Updated version of record | https://www.mdpi.com/2076-0787/8/2/87/pdf |
| article xml uploaded. | 16 May 2019 13:54 CEST | Update | https://www.mdpi.com/2076-0787/8/2/87/xml |
| article xml file uploaded | 16 May 2019 13:54 CEST | Update | N/A |
| article pdf uploaded. | 5 May 2019 10:35 CEST | Version of Record | https://www.mdpi.com/2076-0787/8/2/87/pdf-vor |
| article xml file uploaded | 5 May 2019 10:35 CEST | Original file | N/A |
