function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alipanah, Helen', 26],
    ['Anderson, Robert S.', 74],
    ['Arzanov, Yu. G. & Martynov, V. V. & Nikulina, T. V.', 5],
    ['Byun, Bong-Kyu & Li, Cheng-De', 8],
    ['Chamorro-Rengifo, Juliana & Silva, Bruno Cansanção', 5],
    ['Hemp, Claudia', 5],
    ['Hugel, Sylvain', 6],
    ['Legalov, Andrei A.', 7],
    ['Li, Yan-Qing & Zhang, Tao & Xin, Ya-Rui & Shi, Fu-Ming', 10],
    ['Nagar, Rajendra & Swaminathan, R.', 9],
    ['Piotr Naskrecki', 7],
    ['Sun, Yinghui & Li, Houhun', 12],
    ['Yunakov, Nikolai & Nazarenko, Vitalij & Filimonov, Rostislav', 8],
    ['Zhou, Min & Bi, Wen-Xuan & Liu, Xia-Wei', 22],
    ['Zimmerman, Elwood C.', 6],
    ['Other (55)', 111]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=321)',
    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);