| article html file updated | 8 February 2020 02:18 CET | Update | https://www.mdpi.com/2306-5354/4/2/25 |
| article html file updated | 24 September 2019 00:30 CEST | Update | - |
| article html file updated | 4 May 2019 04:56 CEST | Update | - |
| article html file updated | 28 June 2017 12:34 CEST | Update | - |
| article html file updated | 27 March 2017 10:47 CEST | Original file | - |
| article xml uploaded. | 27 March 2017 10:45 CEST | Original file | https://www.mdpi.com/2306-5354/4/2/25/xml |
| article pdf uploaded. | 27 March 2017 10:45 CEST | Updated version of record | https://www.mdpi.com/2306-5354/4/2/25/pdf |
| article pdf uploaded. | 26 March 2017 11:58 CEST | Version of Record | https://www.mdpi.com/2306-5354/4/2/25/pdf-vor |
