function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ah-Peng, Claudine & Bardat, Jacques & Pócs, Tamás', 1],
    ['Cao, Tong & Váňa, Jiŕí & Söderström, Lars & Hagborg, Anders', 1],
    ['Gradstein, S. Robbert & Pérez, Álvaro J.', 1],
    ['Jarvis, Charlie', 7],
    ['Konstantinova, Nadezda A. & Söderström, Lars & Hagborg, Anders', 1],
    ['Konstantinova, Nadezda A. & Vilnet, Anna A. & Söderström, Lars', 3],
    ['Pioli, Achille', 1],
    ['Söderström, L. & Váňa, Jiŕí & Hagborg, Anders & Konrat, Matt Von', 2],
    ['Söderström, Lars & Hagborg, Anders & Konrat, Matt Von', 47],
    ['Vana, Jiri & Hentschel, Joern & Mueller, Jochen', 5],
    ['VÁŇA, JIŘÍ & SÖDERSTRÖM, LARS & HAGBORG, ANDERS', 2],
    ['Váňa, Jiŕí & Söderström, Lars & Hagborg, Anders', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=88)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 12, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);