public function getTopFans($methodVars)
    {
        // Check for required variables
        if (!empty($methodVars['artist']) || !empty($methodVars['mbid'])) {
            $vars = array(
                'method' => 'artist.gettopfans',
                'api_key' => $this->auth->apiKey
            );
            $vars = array_merge($vars, $methodVars);

            if ($call = $this->apiGetCall($vars)) {
                if (count($call->topfans->user) > 0) {
                    $i = 0;
                    foreach ($call->topfans->user as $user) {
                        $topFans[$i]['name'] = (string) $user->name;
                        $topFans[$i]['url'] = (string) $user->url;
                        $topFans[$i]['image']['small'] = (string) $user->image[0];
                        $topFans[$i]['image']['medium'] = (string) $user->image[1];
                        $topFans[$i]['image']['large'] = (string) $user->image[2];
                        $topFans[$i]['weight'] = (string) $user->weight;
                        $i++;
                    }

                    return $topFans;
                } else {
                    throw new NoResultsException('Artist has no top users');
                }
            } else {
                return false;
            }
        } else {
            throw new InvalidArgumentException('You must include artist varialbe in the call for this method');
        }
    }