| article html file updated | 14 August 2026 22:24 CEST | Update | https://www.mdpi.com/2226-471X/3/1/4 |
| article html file updated | 9 February 2020 07:04 CET | Update | N/A |
| article html file updated | 30 September 2019 21:49 CEST | Update | N/A |
| article html file updated | 1 May 2019 17:31 CEST | Update | N/A |
| article html file updated | 17 April 2019 16:53 CEST | Update | N/A |
| article html file updated | 29 March 2019 00:14 CET | Update | N/A |
| article html file updated | 27 February 2018 12:07 CET | Original file | N/A |
| article xml uploaded. | 27 February 2018 12:06 CET | Original file | https://www.mdpi.com/2226-471X/3/1/4/xml |
| article pdf uploaded. | 27 February 2018 12:06 CET | Updated version of record | https://www.mdpi.com/2226-471X/3/1/4/pdf |
| article pdf uploaded. | 19 February 2018 11:04 CET | Updated version of record | https://www.mdpi.com/2226-471X/3/1/4/pdf-vor |
| article pdf uploaded. | 19 February 2018 11:02 CET | Version of Record | https://www.mdpi.com/2226-471X/3/1/4/pdf-vor |
