| article html file updated | 12 February 2020 05:27 CET | Update | https://www.mdpi.com/2311-5521/4/2/72 |
| article html file updated | 5 July 2019 06:36 CEST | Update | - |
| article html file updated | 17 May 2019 11:52 CEST | Original file | - |
| article pdf uploaded. | 17 May 2019 11:50 CEST | Updated version of record | https://www.mdpi.com/2311-5521/4/2/72/pdf |
| article xml uploaded. | 17 May 2019 11:50 CEST | Update | https://www.mdpi.com/2311-5521/4/2/72/xml |
| article xml file uploaded | 17 May 2019 11:50 CEST | Update | - |
| article pdf uploaded. | 18 April 2019 07:59 CEST | Updated version of record | https://www.mdpi.com/2311-5521/4/2/72/pdf-vor |
| article pdf uploaded. | 17 April 2019 07:42 CEST | Updated version of record | https://www.mdpi.com/2311-5521/4/2/72/pdf-vor |
| article pdf uploaded. | 16 April 2019 03:57 CEST | Updated version of record | https://www.mdpi.com/2311-5521/4/2/72/pdf-vor |
| article pdf uploaded. | 15 April 2019 14:10 CEST | Version of Record | https://www.mdpi.com/2311-5521/4/2/72/pdf-vor |
| article xml file uploaded | 15 April 2019 14:10 CEST | Original file | - |
