| article html file updated | 9 February 2020 16:56 CET | Update | https://www.mdpi.com/2313-433X/4/5/68 |
| article html file updated | 3 October 2019 09:51 CEST | Update | - |
| article html file updated | 30 April 2019 21:15 CEST | Update | - |
| article html file updated | 16 April 2019 21:44 CEST | Update | - |
| article html file updated | 29 March 2019 23:12 CET | Update | - |
| article html file updated | 30 May 2018 11:57 CEST | Update | - |
| article html file updated | 12 May 2018 11:32 CEST | Update | - |
| article xml uploaded. | 12 May 2018 11:31 CEST | Update | https://www.mdpi.com/2313-433X/4/5/68/xml |
| article pdf uploaded. | 12 May 2018 11:31 CEST | Updated version of record | https://www.mdpi.com/2313-433X/4/5/68/pdf |
| article html file updated | 9 May 2018 12:27 CEST | Original file | - |
| article pdf uploaded. | 9 May 2018 12:26 CEST | Version of Record | https://www.mdpi.com/2313-433X/4/5/68/pdf-vor |
| article xml file uploaded | 9 May 2018 12:26 CEST | Original file | - |
