| article html file updated | 14 August 2026 21:42 CEST | Update | https://www.mdpi.com/2073-4352/8/2/69 |
| article html file updated | 9 February 2020 04:58 CET | Update | N/A |
| article html file updated | 30 September 2019 09:11 CEST | Update | N/A |
| article html file updated | 1 May 2019 22:12 CEST | Update | N/A |
| article html file updated | 17 April 2019 20:57 CEST | Update | N/A |
| article html file updated | 28 March 2019 19:43 CET | Update | N/A |
| article html file updated | 14 March 2018 09:03 CET | Update | N/A |
| article html file updated | 31 January 2018 09:15 CET | Original file | N/A |
| article xml uploaded. | 31 January 2018 09:14 CET | Original file | https://www.mdpi.com/2073-4352/8/2/69/xml |
| article pdf uploaded. | 31 January 2018 09:14 CET | Version of Record | https://www.mdpi.com/2073-4352/8/2/69/pdf |
