title: Find sync with foreach in mongoose
body: <p>I want create a sync query inside for with mongoose.</p>
  
  <p>My script is:</p>
  
  <pre><code>async.parallel(
      {
          team: function(callback){
              Object.keys(myobj[0]).each(function(name){
                  db.model( 'myCollection', myCollection, myCollection ).find({ profile: name }, function( err, profile ){
                      if (err)
                          return callback(err);
                      callback(null, profile);
                  });
              });
          },
      },
      function(e, r){
          console.log(r.team);
          // can use r.team
      }
  );
  </code></pre>
  
  <p>but i have this error</p>
  
  <p>Error: Callback was already called.</p>