function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bemmoussat-Dekkak, Soumya & Abdellaoui-Hassaine, Karima', 2],
    ['Ito, Tomiko', 1],
    ['Lei, Zhou & Lian-Fang, Yang & Morse, John C.', 7],
    ['Malicky, H.', 6],
    ['Malicky, H. & Chantaramongkol, P.', 44],
    ['Malicky, H. & I, St. & D, V.', 2],
    ['Malicky, H. & Ivanov, V. & Melnitsky, S.', 1],
    ['Malicky, Hans', 2],
    ['Malicky, Hans & Suwannarat, Nannaphat & Laudee, Pongsak', 1],
    ['Thamsenanupap, Penkhae & Malicky, Hans & Vongsombath, Chanda', 1],
    ['Wells, Alice', 6],
    ['Wells, Alice & De Moor, Ferdinand C.', 5],
    ['Wells, Alice & Dostine, Peter', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=82)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);