| article html file updated | 15 August 2026 16:50 CEST | Update | https://www.mdpi.com/2220-9964/8/2/80 |
| article html file updated | 11 February 2020 15:37 CET | Update | N/A |
| article html file updated | 14 October 2019 21:36 CEST | Update | N/A |
| article html file updated | 26 April 2019 17:37 CEST | Update | N/A |
| article html file updated | 12 April 2019 13:33 CEST | Update | N/A |
| article html file updated | 3 April 2019 19:27 CEST | Update | N/A |
| article html file updated | 1 March 2019 11:22 CET | Update | N/A |
| article html file updated | 28 February 2019 22:30 CET | Update | N/A |
| article html file updated | 13 February 2019 10:26 CET | Original file | N/A |
| article pdf uploaded. | 13 February 2019 10:24 CET | Version of Record | https://www.mdpi.com/2220-9964/8/2/80/pdf |
| article xml uploaded. | 13 February 2019 10:24 CET | Update | https://www.mdpi.com/2220-9964/8/2/80/xml |
| article xml file uploaded | 13 February 2019 10:24 CET | Original file | N/A |
