| article html file updated | 15 August 2026 20:16 CEST | Update | https://www.mdpi.com/2076-0787/8/2/61 |
| article html file updated | 12 February 2020 01:02 CET | Update | N/A |
| article html file updated | 25 April 2019 21:05 CEST | Update | N/A |
| article html file updated | 11 April 2019 16:15 CEST | Update | N/A |
| article html file updated | 27 March 2019 09:13 CET | Original file | N/A |
| article pdf uploaded. | 27 March 2019 09:11 CET | Version of Record | https://www.mdpi.com/2076-0787/8/2/61/pdf |
| article xml uploaded. | 27 March 2019 09:11 CET | Update | https://www.mdpi.com/2076-0787/8/2/61/xml |
| article xml file uploaded | 27 March 2019 09:11 CET | Original file | N/A |
