function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bruce, A. J.', 21],
    ['Filho, Petrônio Alves Coelho', 3],
    ['Fransen, Charles H. J. M.', 9],
    ['Holthuis, Lipke Bijdeley', 3],
    ['Li, Xinzheng', 2],
    ['Li, Xinzheng & Cleva, Régis & Poupin, Joseph', 1],
    ['Pachelle, Paulo P. G. & Leray, Matthieu & Anker, Arthur', 3],
    ['Park, Jin-Ho & De Grave, Sammy', 3],
    ['Park, Jin-Ho & Grave, Sammy De', 1],
    ['Park, Jin-Ho & Grave, Sammy De & Kim, Won', 1],
    ['Ramos-Tafur, Gabriel E. & Lemaitre, Rafael', 3],
    ['Uriš, Zden Ě K Ď & Horká, Ivona & Sandford, Floyd', 1],
    ['Vieira, Rony R. R. & Ferreira, Rodrigo S. & D’Incao, Fernando', 7],
    ['Ďuriš, Zdenĕk & Horká, Ivona & Horani, Fuad Al -', 1],
    ['Ďuriš, Zdeněk & Horká, Ivona & Hoc, Dao Tan', 1],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=61)',
    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);