function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ishikawa, Kaoru & Taguchi, Yuki & Kobayashi, Ryomei', 1],
    ['Kim, Jong-Bum & Min, Mi-sook & Matsui, Masafumi', 1],
    ['Matsui, Masafumi', 1],
    ['Matsui, Masafumi & Kokuryo, Yasuhiro & Misawa, Yasuchika', 1],
    ['Matsui, Masafumi & Misawa, Yasuchika & Nishikawa, Kanto', 1],
    ['Matsui, Masafumi & Misawa, Yasuchika & Yoshikawa, Natsuhiko', 1],
    ['Matsui, Masafumi & Miyazaki, Kôji', 1],
    ['Matsui, Masafumi & Okawa, Hiroshi & Nishikawa, Kanto & Aoki, Gen', 7],
    ['Nishikawa, Kanto & Ju, Yu-Ten & Jheng, Sheng-Wun & Lin, You-Zhu', 2],
    ['Nishikawa, Kanto & Matsui, Masafumi', 3],
    ['Niwa, Keita & Nishikawa, Kanto & Matsui, Masafumi', 2],
    ['Sugawara, Hirotaka & Naito, Jun-ichi & Iwata, Takayuki', 3],
    ['Tomimori, Yusuke & Matsui, Masafumi & Okawa, Hiroshi', 3],
    ['Tominaga, Atsushi & Matsui, Masafumi & Nishikawa, Kanto', 2],
    ['Tominaga, Atsushi & Matsui, Masafumi & Tanabe, Shingo', 3],
    ['Other (3)', 3]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=35)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);