function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Benatti, Michel N.', 15],
    ['Divakar, Pradeep K. & Crespo, Ana & Núñez-Zapata, Jano', 30],
    ['Elvebakk, A. & Bjerke, J. W. & Støvern, L. E.', 61],
    ['Farkas, Edit & Biró, Bernadett & Varga, Nóra & Sinigla, Mónika', 6],
    ['Jarvis, Charlie', 25],
    ['Jayalal, Udeni & Divakar, Pradeep K. & Joshi, Santosh', 4],
    ['McMullin, Richard Troy & Simon, Andrew D. F. & Brodo, Irwin M.', 37],
    ['Moon, Kwang Hee & Ahn, Chorong & Kashiwadani, Hiroyuki', 9],
    ['Ossowska, Emilia Anna', 2],
    ['R, Jeanne dos & Silva, eis & Aptroot, André & E, Marcela', 103],
    ['Singh, Garima & ptroot, Andre & ico, Victor J. & tte, Juergen', 16],
    ['Stepanova, Dace & Moisejevs, Rolands & Nitcis, Ma ris', 10],
    ['Szczepanska, Katarzyna & Guzow-Krzeminska, Beata', 6],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 6],
    ['van den Boom, Pieter P. G. & Clerc, Philippe & Ertz, Damien', 8],
    ['Other (8)', 8]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=346)',
    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);