| article html file updated | 9 February 2020 18:25 CET | Update | https://www.mdpi.com/2313-4321/3/2/23 |
| article html file updated | 3 October 2019 19:27 CEST | Update | - |
| article html file updated | 30 April 2019 18:03 CEST | Update | - |
| article html file updated | 16 April 2019 18:30 CEST | Update | - |
| article html file updated | 30 March 2019 02:59 CET | Update | - |
| article html file updated | 21 May 2018 11:25 CEST | Original file | - |
| article pdf uploaded. | 21 May 2018 11:24 CEST | Version of Record | https://www.mdpi.com/2313-4321/3/2/23/pdf |
| article xml uploaded. | 21 May 2018 11:24 CEST | Update | https://www.mdpi.com/2313-4321/3/2/23/xml |
| article xml file uploaded | 21 May 2018 11:24 CEST | Original file | - |
