function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Cowie, Robert H.', 2],
    ['DeVries, Thomas J.', 2],
    ['Emberton, Kenneth C.', 7],
    ['Foon, Junn Kitt & Clements, Gopalasamy Reuben & Liew, Thor-Seng', 2],
    ['Jay, J. C.', 2],
    ['Ketwetsuriya, Chatchalerm & Karapunar, Baran', 5],
    ['Linnaeus, Carolus', 25],
    ['Marković, Vanja & Gojšina, Vukašin & Novaković, Boris', 3],
    ['Neubauer, Thomas A. & Harzhauser, Mathias', 4],
    ['Ng, Ting Hui & Dulipat, Jasrul & Foon, Junn Kitt', 4],
    ['Phung, Chee-Chean & Yu, Fred Tuh Yit & Liew, Thor-Seng', 3],
    ['Symonds, Malcolm Francis & Pacaud, Jean-Michel', 8],
    ['Thivaiou, Danae & Harzhauser, Mathias & Koskeridou, Efterpi', 5],
    ['Yoo, E. K.', 3],
    ['Zvonareva, Sofya & Kantor, Yuri', 6],
    ['Other (14)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=98)',
    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);