| article html file updated | 30 August 2025 00:39 CEST | Update | https://www.mdpi.com/2227-9717/5/1/13 |
| article html file updated | 16 July 2022 05:21 CEST | Update | N/A |
| article html file updated | 8 February 2020 01:44 CET | Update | N/A |
| article html file updated | 23 September 2019 21:20 CEST | Update | N/A |
| article html file updated | 4 May 2019 06:06 CEST | Update | N/A |
| article html file updated | 30 March 2017 08:56 CEST | Update | N/A |
| article html file updated | 18 March 2017 10:35 CET | Original file | N/A |
| article xml uploaded. | 18 March 2017 10:33 CET | Original file | https://www.mdpi.com/2227-9717/5/1/13/xml |
| article pdf uploaded. | 18 March 2017 10:33 CET | Version of Record | https://www.mdpi.com/2227-9717/5/1/13/pdf |
