function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Domingues, Marcus V. & Boeger, Walter A.', 10],
    ['Hafidi, Fouzia El & Diamanka, Arfang & Rkhami, Ouafae Berrada', 4],
    ['Kritsky, Delane C. & Boeger, Walter A.', 18],
    ['Kritsky, Delane C. & Galli, Paolo & Tingbao, Yang', 22],
    ['Kritsky, Delane C. & Tingbao, Yang & Yuan, Sun', 31],
    ['Lim, L. H. S.', 4],
    ['Mendoza-Garfias, Berenit & García-Prieto, Luis', 54],
    ['Nitta, Masato & Nagasawa, Kazuya', 5],
    ['Oliveira, Glaucya Silva De & Silva, Reinaldo José Da', 3],
    ['Oym, Soo & Wb, Tan & Lhs, Lim', 3],
    ['Pariselle, Antoine & Bitja Nyom, Arnold R.', 7],
    ['Pariselle, Antoine & Euzet, Louis', 82],
    ['Rahmouni, Chahrazed & Vanhove, Maarten P. M. & Šimková, Andrea', 7],
    ['Silva, Marciara Lopes & Cohen, Simone Chinicz', 3],
    ['Řehulková, Eva & Justine, Jean-Lou & Gelnar, Milan', 5],
    ['Other (15)', 20]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=278)',
    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);