How to find World Wide Name (WWN) in Windows Server 2012 and 2012 R2

In Windows Server 2008 or 2008 R2, we can use "Storage Explorer" to locate World Wide Name (WWN). Started from Windows Server 2012, "Storage Explorer" was removed. To find WWN in Windows Server 2012 or 2012 R2, we can use PowerShell to perform "Get-InitiatorPort".