function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Deschka, G. & P, D', 2],
    ['Eiseman, Charles S. & Davis, Donald R.', 13],
    ['Fischer, Thilo C.', 1],
    ['Huemer, Peter & Van Nieukerken, Erik J.', 4],
    ['Jürg Schmid', 1],
    ['Kim, Da-Som & Oh, Jae-In & Byun, Bong-Kyu', 34],
    ['Kirichenko, N. I. & Akulov, E. N. & Triberti, P.', 6],
    ['Kirichenko, Natalia & Triberti, Paolo & Akulov, Evgeniy', 30],
    ['Kirichenko, Natalia & Triberti, Paolo & Lopez-Vaamonde, Carlos', 2],
    ['Landry, Bernard', 1],
    ['Lu, Ming & Li, Wei & Liu, Peng & Liu, Tengteng', 2],
    ['Prins, Jurate De & Brito, Rosângela', 9],
    ['Prins, Jurate De & Kawahara, Akito Y.', 71],
    ['Prins, Jurate De & Prins, Willy De & Coninck, Eliane De', 2],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 7],
    ['Other (4)', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=189)',
    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);