function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Asagabaldan, M. A. & Bourgougnon, N. & Bedoux, G.', 1],
    ['Dick, Matthew H. & Ngai, Nguyen Danh & Doan, Hung Dinh', 1],
    ['Gerovasileiou, Vasilis & Rosso, Antonietta', 8],
    ['Judith L Winston', 3],
    ['Koromyslova, Anna V. & Taylor, Paul D. & Martha, Silviu O.', 13],
    ['Martha, Silviu O. & Scholz, Joachim & Niebuhr, Birgit', 2],
    ['Martino, Emanuela Di', 4],
    ['Taylor, Paul D. & Martha, Silviu O. & Gordon, Dennis P.', 33],
    ['Winston, Judith E. & Vieira, Leandro M.', 3],
    ['Yang, Ho Jin & Seo, Ji Eun & Gordon, Dennis P.', 1],
    ['Zágoršek, Kamil & Gordon, Dennis P.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=70)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);