| article html file updated | 9 February 2020 07:02 CET | Update | https://www.mdpi.com/2311-5521/3/1/17 |
| article html file updated | 1 May 2019 17:35 CEST | Update | - |
| article html file updated | 17 April 2019 16:56 CEST | Update | - |
| article html file updated | 29 March 2019 00:10 CET | Update | - |
| article html file updated | 27 March 2018 15:29 CEST | Update | - |
| article html file updated | 23 February 2018 09:36 CET | Original file | - |
| article xml uploaded. | 23 February 2018 09:35 CET | Original file | https://www.mdpi.com/2311-5521/3/1/17/xml |
| article pdf uploaded. | 23 February 2018 09:35 CET | Updated version of record | https://www.mdpi.com/2311-5521/3/1/17/pdf |
| article pdf uploaded. | 18 February 2018 13:57 CET | Version of Record | https://www.mdpi.com/2311-5521/3/1/17/pdf-vor |
