function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bezděk, Aleš & Hájek, Jiří & Ascr, Biology Centre', 13],
    ['Costa-Silva, Vinícius & Diéguez, Víctor Manuel', 4],
    ['Costa-Silva, Vinícius & Strümpher, Werner P.', 49],
    ['Dupuis, Fabien', 6],
    ['Freese, Edwin L. & Veal, Doug A. & Lago, Paul K.', 21],
    ['Hielkema, Auke J. & Hielkema, Meindert A.', 7],
    ['Huchet, Jean-Bernard & Costa-Silva, Vinicius Da', 3],
    ['Kalawate, Aparna S. & Strümpher, Werner P.', 24],
    ['Kaneko, Naoki & Wada, Kaoru', 3],
    ['Khaustov, Alexandr A. & Trach, Viacheslav A.', 3],
    ['Ratcliffe, Brett C.', 4],
    ['Strümpher, Werner P. & Kalawate, Aparna S.', 12],
    ['Strümpher, Werner P. & Scholtz, Clarke H.', 13],
    ['Ziani, Stefano & Bezděk, Aleš & Branco, Tristão', 4],
    ['van der Merwe, Y. & Scholtz, Clarke H.', 4],
    ['Other (25)', 34]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=204)',
    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);