| article html file updated | 9 February 2020 07:18 CET | Update | https://www.mdpi.com/2313-576X/4/1/7 |
| article html file updated | 30 September 2019 23:12 CEST | Update | - |
| article html file updated | 1 May 2019 17:02 CEST | Update | - |
| article html file updated | 17 April 2019 16:25 CEST | Update | - |
| article html file updated | 29 March 2019 00:43 CET | Update | - |
| article html file updated | 28 March 2018 03:42 CEST | Update | - |
| article html file updated | 24 February 2018 10:43 CET | Original file | - |
| article xml uploaded. | 24 February 2018 10:41 CET | Original file | https://www.mdpi.com/2313-576X/4/1/7/xml |
| article pdf uploaded. | 24 February 2018 10:41 CET | Updated version of record | https://www.mdpi.com/2313-576X/4/1/7/pdf |
| article pdf uploaded. | 22 February 2018 18:49 CET | Version of Record | https://www.mdpi.com/2313-576X/4/1/7/pdf-vor |
