function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bai, Xiaoshuan & Heiss, Ernst & Cai, Wanzhi', 2],
    ['Blanchard, Émile', 1],
    ['Cerot, Frederic', 18],
    ['Forero, Dimitri & Rodriguez, Juanita & Ocampo, Valentina', 1],
    ['Golub, V. B. & Popov, Yu. A. & Arillo, A.', 1],
    ['Göllner-Scheiding, Ursula', 1],
    ['Heiss, Ernst & B, Viktor', 1],
    ['Herczek, Aleksander & Popov, Yuri A. & Gorczyca, Jacek', 2],
    ['Matocq, Armand & Azar, Dany', 2],
    ['Nakatani, Yukinobu & Yasunaga, Tomohide', 2],
    ['Namyatova, Anna A. & Cassis, Gerasimos', 10],
    ['Namyatova, Anna A. & Schwartz, Michael D. & Cassis, Gerasimos', 4],
    ['Scudder, G. G. E.', 5],
    ['Vinokurov, Nikolay N. & Rudoi, Valentin V.', 100],
    ['Yamada, Kazutaka & Yamamoto, Shȗhei & Takahashi, Yui', 2],
    ['Other (9)', 9]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=161)',
    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);