Constructor style preference

[Merrion]

Given the following auto generated code:-

'------------------------------------------------------------------------------
' <auto-generated>
'     This code was generated by a tool.
'     Runtime Version:4.0.30319.42000
'
'     Changes to this file may cause incorrect behavior and will be lost if
'     the code is regenerated.
' </auto-generated>
'------------------------------------------------------------------------------
 
Option Strict Off
Option Explicit On
 
 
Namespace test
    
    Partial Public Class Duncan_s_Class_Test
        
        #Region "Private members"
        Private _Email As String
        
        Private _Height__cm As Integer
        
        Private _Blood_Alcohol As Decimal
        #End Region
        
        Sub New(ByVal DuncansClassIn As IDuncansClass)
            MyBase.New
            _Email = DuncansClassIn.Email
            _Height__cm = DuncansClassIn.Height__cm
            _Blood_Alcohol = DuncansClassIn.Blood_Alcohol
        End Sub
        
        Sub New(ByVal Email_In As String, ByVal Height__cm_In As Integer, ByVal Blood_Alcohol_In As Decimal)
            MyBase.New
            _Email = Email_In
            _Height__cm = Height__cm_In
            _Blood_Alcohol = Blood_Alcohol_In
        End Sub
        
        '''<summary>
        '''Email address of the user
        '''</summary>
        Public ReadOnly Property Email() As String
            Get
                Return _Email
            End Get
        End Property
        
        '''<summary>
        '''Recorded height in cm
        '''</summary>
        Public ReadOnly Property Height__cm() As Integer
            Get
                Return _Height__cm
            End Get
        End Property
        
        '''<summary>
        '''Recorded blood/alcohol
        '''</summary>
        Public ReadOnly Property Blood_Alcohol() As Decimal
            Get
                Return _Blood_Alcohol
            End Get
        End Property
    End Class
End Namespace

Which constructor type do you prefer - individually explicitly named properties or instance of interface?