function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Almeida, Alexandre Oliveira De & Guerrazzi, Maria Cec Lia', 1],
    ['Asakura, Akira', 5],
    ['Castro, Peter', 8],
    ['De Matos-Pita, Susana S. & Ramil, Fran', 1],
    ['Filho, Petrônio Alves Coelho', 1],
    ['Lima, Daniel & Tavares, Marcos & Jr, Joel Braga De Mendonça', 2],
    ['Malay, Maria Celia (Machel) D. & Rahayu, Dwi Listyo', 16],
    ['Mantelatto, Fernando L. & Miranda, Ivana & Vera-Silva, Ana L.', 2],
    ['Mendonça, Luana M. C. & Guimarães, Carmen R. P.', 1],
    ['Naderloo, Reza & Türkay, Michael', 2],
    ['Nucci, Paulo Ricardo & Melo, Gustavo Augusto Schmidt De', 5],
    ['Osawa, Masayuki', 1],
    ['Parente, Manuel Ayón & Hendrickx, Michel E.', 7],
    ['Paul\'son, Otton Mickhaĭlovich', 1],
    ['Rahayu, Dwi Listyo', 4],
    ['Other (1)', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    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);